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Happymodel

Happymodel ELRS EP1 RX 2.4GHz Receiver

HappyModel


The PP RX is designed by @Jye Smith from ExpressLRS development team. Its main hardware architecture is STM32L432KBU6 MCU and SX1280 RF chip. On the basis of PP RX, we have developed the Nano 2.4GHz rx of ESP8285 version named EP1 and EP2.  The RF module of EP1/EP2 is the same like PP RX and use ESP8285 MCU . So you can upgrade firmware by WIFI , that’s too simple. Due to the low-latency and high-refresh-rate RF module, they are very comfortable for FPV race and Long Range FPV. And very suitable for whoop because of the ultra light and Nano size.
Specifications

Packet Rate: 25/50/150/250/500Hz
RF Frequency: 2.4GHz
Antenna: Ipex 4
Happymodel ES24TX , ES24TX Lite, ES24TX Slim and DIY 2.4GHz ELRS TX

Includes

1x HappyModel EP1 RX Express LRS Receiver



The PP RX is designed by @Jye Smith from ExpressLRS development team. Its main hardware architecture is STM32L432KBU6 MCU and SX1280 RF chip. On the basis of PP RX, we have developed the Nano 2.4GHz rx of ESP8285 version named EP1 and EP2.  The RF module of EP1/EP2 is the same like PP RX and use ESP8285 MCU . So you ca

HappyModel 2.4GHz EP1 RX Express LRS Receiver

The Happymodel 2.4GHz ELRS nano series receiver is an open source program based on ExpressLRS, we have 3 types rx module released.

The PP RX is designed by @Jye Smith from ExpressLRS development team. Its main hardware architecture is STM32L432KBU6 MCU and SX1280 RF chip. It has a built-in ceramic antenna, which is super light and small in size.

On the basis of PP RX, we have developed the Nano 2.4GHz rx of ESP8285 version named EP1 and EP2.  The RF module of EP1/EP2 is the same like PP RX and use ESP8285 MCU . So you can upgrade firmware by WIFI , that’s too simple .

Due to the low-latency and high-refresh-rate RF module, they are very comfortable for FPV race and Long Range FPV. And very suitable for Tiny whoop because of the ultra light and Nano size.

Check out our ExpressLRS Collection, all our Receivers and the rest of our Happymodel Products!
SPECIFICATIONS:

 	Type: ISM
 	ESP8285 MCU
 	SX1280IMLTRT RF Module
 	Omnidirectional antenna
 	Frequency Range: 2400 MHz to 2500 MHz
 	Maximum receive refresh rate: 500Hz
 	Minimum receiver refresh rate: 25Hz
 	Working voltage: 5v
 	Weight: 0.42gram(without antenna)
 	Dimension: 10mm*10mm*3mm
 	Peak gain: 2.23dB
 	Package include 1pcs 40mm and 1pcs 90mm Omnidirectional antenna

PACKAGE INCLUDES:

 	1 x Happymodel 2.4g ExpressLRS EP1 RX Receiver module

Notes:
Since the Official Perfect version of ELRS firmware has not been released yet, currently our PP_RX, EP1/EP2 RX and ES24TX pre-loaded firmware are all beta versions, you can upgrade the official firmware when Official perfect target available.

More details
https://github.com/ExpressLRS/ExpressLRS

Bind procedure:

 	Supply power to the PP/EP1/EP2 rx, wait until the LED on the RX is off, immediately turn off the power, and then repeat again the above steps. When the RX is powered on for the third time, the LED light will start to double-flash, which means that the RX enters the binding mode
 	Insert the ES24TX module or other DIY 2.4G ELRS TX to Radio transmitter, and choose External RF mode to CRSF protocol, then you can find ELRS menu from the Radio systems(Need to copy the ELRS.LUA file to the SD-Card tools first), Enter into ELRS and press [Bind], the LED on the RX module will getting to be solid if bind successfully.
 	Receiver LED status meanings:
PP RX: LED solid means bind successful or Connection established LED double-flash means in bind mode LED flash slowly means no signal connection from the TX module
EP1/EP2 RX: LED solid means bind successful or Connection established LED double-flash means in bind mode LED flash slowly means no signal connection from the TX module LED flash fast means in WIFI hotspot mode, you can connect the WIFI of the RX and upgrade firmware of the RX via visit 10.0.0.1 from the web browser(password: expresslrs)

HAPPYMODEL 2.4G EXPRESSLRS EP1 RX RECEIVER MODULE | Five33

HAPPYMODEL 2.4G EXPRESSLRS EP1 RX RECEIVER MODULE

HAPPYMODEL

The PP RX is designed by @Jye Smith from ExpressLRS development team. Its main hardware architecture is STM32L432KBU6 MCU and SX1280 RF chip. On the basis of PP RX, we have developed the Nano 2.4GHz rx of ESP8285 version named EP1 and EP2.  The RF module of EP1/EP2 is the same like PP RX and use ESP8285 MCU . So you can upgrade firmware by WIFI , that’s too simple. Due to the low-latency and high-refresh-rate RF module, they are very comfortable for FPV race and Long Range FPV. And very suitable for whoop because of the ultra light and Nano size.
Check out our other great receivers, and the rest of our Happymodel offerings.
Specifications

Packet Rate: 25/50/150/250/500Hz
RF Frequency: 2.4GHz
Antenna: Ipex 4
Happymodel ES24TX , ES24TX Lite, ES24TX Slim and DIY 2.4GHz ELRS TX

Includes

1x HappyModel EP1 RX Express LRS Receiver
1x Short antenna
1x Long antenna


The PP RX is designed by @Jye Smith from ExpressLRS development team. Its main hardware architecture is STM32L432KBU6 MCU and SX1280 RF chip. On the basis of PP RX, we have developed the Nano 2.4GHz rx of ESP8285 version named EP1 and EP2. The RF module of EP1/EP2 is the same like PP RX and use ESP8285 MCU . So you can upgrade firmware by WIFI , that’s too simple. Due to the low-latency and high-refresh-rate RF module, they are very comfortable for FPV race and Long Range FPV. And very suitable for Tiny whoop because of the ultra light and Nano size.

HappyModel 2.4GHz EP1 RX ELRS Receiver

HappyModel 2.4GHz EP1 RX Express LRS Receiver - For Sale At RaceDayQuads

Receiver Type

The radio receiver takes the inputs from your radio and sends them to your flight controller. Your receiver will need to be compatible with your radio or radio module. Beginners should get an ELRS receiver for the best range and price point. Learn more about radios and receivers.

Receivers

Foxeer

Foxeer ELRS 900MHz Receiver

FOXEER

Note: For use with 900MHz ELRS Transmitters. Not compatible with 2.4GHz ELRS.
The Foxeer ELRS 915Mhz/868MHz  receiver offers superior ELRS reception with its T-shaped antenna, giving you reliable and secure control over your aircraft. Enjoy worry-free communication with top of the line reception.
Check out the rest of our ELRS accessories, as well as the rest of our Foxeer Collection!
Features

50mW Telemetry RF Power
Improved RF Design
200Hz High Refresh Rate


Specifications 

Processor: ESP8285+SX1276

Work Frequency: 915MHz/868MHz

Flash Frequency: 25~200Hz

Telemetry RF Power: 50mW Max

FW Version: V3.2.0 pre-installed

FW Target: Foxeer 900 RX

Bus Interface: CRSF

Indicator: Blue LED

Antenna Connector: U.FL

Input: 4~5.5V

Weight: 1g without antenna

Size: 11x18.5mm


Includes

Foxeer ELRS 915/868MHz Receiver


Note: For use with 900MHz ELRS Transmitters. Not compatible with 2.4GHz ELRS. The Foxeer ELRS 915Mhz/868MHz  receiver offers superior ELRS reception with its T-shaped antenna, giving you reliable and secure control over your aircraft. Enjoy worry-free communication with top of the line reception. Check out the rest of 

For use with 915MHz ELRS Transmitters. Not compatible with 2.4GHz ELRS.
Foxeer had dipped their toe into the ELRS game with their new receivers. This version includes T shaped antenna giving fantastic ELRS reception.
Specifications

Processor: ESP8285+SX1276
Work Frequency: 915/868MHz

Flash Frequency: 25~500Hz
Telemetry RF Power: 50mW Max
FW Version: 3.2.0

Firmware Target: Foxeer 900 RX

Bus Interface: CRSF
Indicator: Blue LED
Antenna Connector: U.fl
Input Voltage: 4-5.5V
Weight: 1g (without antenna)
Dimensions: 11x18.5mm

Includes

1x T Antenna 915/868MHz Receiver For ELRS Protocol
1x Antenna
1x Heat Shrink Tube
1x Cable
1x 4-Pin Header

Wiring Diagram



Foxeer had dipped their toe into the ELRs game with their new receivers. This version includes T shaped antenna giving fantastic ELRS reception.

T Antenna 915/868MHz Receiver For ELRS Protocol

Foxeer ELRS Lite 2.4GHz Receiver with T Antenna

Another addition to our evergrowing ELRS receiver line up!This tiny and lightweight ELRS receiver from Foxeer features an onboard ceramic antenna making it very easy to fit in pretty much any size frame you build.
Check out all our receivers, and our entire Foxeer line-up!

Specifications

Processor: ESP8285+SX1280
Work Frequency: 2400GHz-2500GHz

Flash Frequency: 25~500Hz
FW Version: 3.0.1

Firmware Target: Foxeer 2.4GHz RX

Antenna: UFL T Shape
Indicator: RGB LED
input Voltage: 5V
Weight: 0.7g
Dimension: 10.5mmx19mm

Includes

1x Foxeer ELRS Lite 2.4GHz Receiver - T Antenna


Another addition to our evergrowing ELRS receiver line up!This tiny and lightweight ELRS receiver from Foxeer features an onboard ceramic antenna making it very easy to fit in pretty much any size frame you build. Check out all our receivers, and our entire Foxeer line-up! Specifications Processor: ESP8285+SX1280 Work 

Foxeer ELRS 2.4GHz Receiver - T Antenna

Another addition to our evergrowing ELRS receiver line up! Check out our ExpressLRS Collection, all our Receivers and the rest of our Foxeer Products! Specifications: Processor: ESP8285+SX1280 Work Frequency: 2400GHz-2500GHz Flash Frequency: 25~500Hz FW Version: 3.0.1 Antenna: UFL T Shape Indicator: RGB LED input Volta

Foxeer ELRS 2.4G Receiver LNA - T-Antenna

Foxeer had dipped their toe into the ELRS game with their new receivers. This receiver features low noise amplifier (LNA), power amplifier (PA) and includes a T antenna giving fantastic ELRS reception. 
Specifications

Processor: ESP8285+SX1280
Work Frequency: 2400GHz-2500GHz

Flash Frequency: 25~500Hz
FW Version: 3.0.1

Firmware Target: Foxeer 2.4GHz RX

Antenna: UFL T Shape
Indicator: RGB LED
input Voltage: 5V
Weight: 0.7g
Dimension: 10.5x19mm


Includes

1x T Antenna 2.4GHz Receiver For ELRS Protocol

Wiring Diagram



T Antenna 2.4GHz Receiver with LNA & PA For ELRS Protocol

Foxeer ELRS Lite 2.4GHz Receiver with Ceramic SMD Antenna

Foxeer had dipped their toe into the ELRs game with their new receivers. This version includes an ultra-low profile ceramic antenna to fit in even the more cramped builds while still giving fantastic ELRS reception.
Specifications

Processor: ESP8285+SX1280
Work Frequency: 2400GHz-2500GHz

Flash Frequency: 25~500Hz


SMD Ceramic antenna

FW Version: 3.0.1
Firmware Target: Foxeer 2.4GHz RX
Indicator: RGB LED
input Voltage: 5V
Weight: 0.5g
Dimension: 10.6x11.5mm

Includes

1x Lite 2.4GHz Receiver For ELRS Protocol

Wiring Diagram



Foxeer had dipped their toe into the ELRs game with their new receivers. This version includes an ultra-low profile ceramic antenna to fit in even the more cramped builds while still giving fantastic ELRS reception.

Lite 2.4GHz Receiver For ELRS Protocol

Another addition to our evergrowing ELRS receiver line up!This tiny and lightweight ELRS receiver from Foxeer features an onboard ceramic antenna making it very easy to fit in pretty much any size frame you build.
Check out all our receivers, and our entire Foxeer line-up!

Specifications

Processor: ESP8285+SX1280
Work Frequency: 2400GHz-2500GHz

Flash Frequency: 25~500Hz


SMD Ceramic antenna

FW Version: 3.0.1
Firmware Target: Foxeer 2.4GHz RX
Indicator: RGB LED
input Voltage: 5V
Weight: 0.5g
Dimension: 10.6mmx11.5mm

Includes

1 x Foxeer ELRS Lite 2.4GHz Receiver - Ceramic SMD Antenna


Foxeer ELRS Lite 2.4GHz Receiver - Ceramic Antenna

Another addition to our evergrowing ELRS receiver line up!This tiny and lightweight ELRS receiver from Foxeer features an onboard ceramic antenna making it very easy to fit in pretty much any size frame you build. Check out our ExpressLRS Collection, all our Receivers and the rest of our Foxeer Products! Specifications

Foxeer ELRS Lite 2.4G Receiver - SMD Ceramic Antenna

RadioMaster

RadioMaster RP1 V2 2.4GHz ELRS Nano Receiver

HOBBYPORTER










Note: The packaging in this product will mention V2, however the software is confirmed ELRS V3.
The Nano receivers, developed by Jye Smith of ExpressLRS, have ESP8285 MCU and SX1280 RF chip. RP1 has a UFL antenna socket while RP2 has a built-in ceramic antenna, making it super light and small. Both have WIFI built in, allowing you to upgrade firmware and configure the Receiver via WebUI. Both RP1 and RP2 have low-latency, high-refresh-rate RF module, making them ideal for FPV and long-range. Furthermore, their ultra-light Nano size allows you to fit them anywhere, from whoops to fixed-wing models. The EP1 comes with ELRS Firmware V3 pre-installed and a TCXO oscillator for solid connection &amp reliability.









Check out the RP2 if that fits your needs more!
Check out the rest of our RC receivers and all our RC transmitters, modules, and accessories!
Features


TCXO oscillator for solid connection &amp reliability.
Improved PCB design is better for heat dissipation.
ELRS Firmware V3 (pre-installed)

LED on the top side of PCB.

Solder pads are improved and easier to solder to.
Open-source receiver based on ExpressLRS
Upgraded rigid antenna with greater durability and performance










Specifications

Item: RP1 Nano ExpressLRS 2.4ghz Receiver
Type: ISM
Antenna: 65mm 2.4ghz T Antenna
Maximum receive refresh rate: 500Hz / F1000Hz
Minimum receiver refresh rate: 25Hz
Working voltage: 5v
Weight: 2.2g (Including antenna)
Dimension: 13mmx11mmx3mm
Firmware Version: ExpressLRS v3.0 pre-installed
FW Target: RadioMaster RP1/2 2400 RX
Bus interface: CRSF

User Manual

RP1 Receiver User Manual

Includes

1x RadioMaster RP1 V2 2.4GHz ELRS Nano Receiver
1x 65mm UFL 2.4Ghz T Antenna
1x User Manual



Note: The packaging in this product will mention V2, however the software is confirmed ELRS V3. The Nano receivers, developed by Jye Smith of ExpressLRS, have ESP8285 MCU and SX1280 RF chip. RP1 has a UFL antenna socket while RP2 has a built-in ceramic antenna, making it super light and small. Both have WIFI built in, allowing you to upgrade firmware and configure the Receiver via WebUI. Both RP1 and RP2 have low-latency, high-refresh-rate RF module, making them ideal for FPV and long-range. Furthermore, their ultra-light Nano size allows you to fit them anywhere, from whoops to fixed-wing models. Check out the RP2 if that fits your needs more! Check out the rest of our RC receivers and all our RC transmitters, modules, and accessories! Features Improved PCB design is better for heat dissipation. ELRS Firmware V3 (pre-installed) LED on the top side of PCB. Solder pads are improved and easier to solder to. Open-source receiver based on ExpressLRS Upgraded rigid antenna with greater durability and performance Specifications Item: RP1 Nano ExpressLRS 2.4ghz Receiver Type: ISM Antenna: 65mm 2.4ghz T Antenna Maximum receive refresh rate: 500Hz / F1000Hz Minimum receiver refresh rate: 25Hz Working voltage: 5v Weight: 2.2g (Including antenna) Dimension: 13mmx11mmx3mm Firmware Version: ExpressLRS v3.0 pre-installed FW Target: RadioMaster RP1/2 2400 RX Bus interface: CRSF User Manual RP1 Receiver User Manual Includes 1x RadioMaster RP1 V2 2.4GHz ELRS Nano Receiver 1x 65mm UFL 2.4Ghz T Antenna 1x User Manual

RadioMaster RP1 ExpressLRS 2.4ghz Nano Receiver

The best quality First Person View equipment. Free or discounted shipping on all orders.Drone Racing, RC Airplanes, FPV Cameras, FPV Goggles, Video Transmitters, RC Quads, Drone Antennas, Lipo Batteries, and Ground Station Equipment.All available for amateurs, schools, hobbyists, government, and wholesale buyers.

RadioMaster RP1 ExpressLRS 2.4ghz Nano Receiver - RMRC

The RadioMaster RP1 ExpressLRS 2.4ghz Nano Receiver w/ 65mm UFL T-Antenna is an open-source receiver based on ExpressLRS.

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RadioMaster RP1 ExpressLRS 2.4GHz Nano Receiver w/ 65mm UFL T-Antenna

The RP1 2.4GHz ELRS nano series receivers are open-source receivers based on the ExpressLRS receiver protocol. It features WIFI built in so you can upgrade firmware by WIFI and configure the Receiver via the built-in WebUI with your PC or mobile phone. Thanks to the low-latency and high-refresh-rate RF module, the RP1 is ideal for FPV races or Long Range. Suitable for Whoops, drones, and fixed-wing models due to the ultra-light and Nano size, these receivers can fit just about anywhere!
Specifications

Antenna: 65mm 2.4ghz T Antenna
Maximum receive refresh rate: 500Hz / F1000Hz
Minimum receiver refresh rate: 25Hz
Working voltage: 5v
Weight: 2.2g (Including antenna)
Dimension: 13x11x3mm
Firmware Version: ExpressLRS v2.4 pre-installed
FW Target: RadioMaster RP1/2 2400 RX
Bus interface: CRSF 

Includes

1x RP1 2.4GHz Receiver For ELRS Protocol

Wiring Diagram



The RP1 2.4GHz ELRS nano series receivers are open-source receivers based on the ExpressLRS receiver protocol. It features WIFI built in so you can upgrade firmware by WIFI and configure the Receiver via the built-in WebUI with your PC or mobile phone. Thanks to the low-latency and high-refresh-rate RF module, the RP1 is ideal for FPV races or Long Range. Suitable for Whoops, drones, and fixed-wing models due to the ultra-light and Nano size, these receivers can fit just about anywhere!

RP1 2.4GHz Receiver For ELRS Protocol

BetaFPV

BetaFPV ELRS Lite 2.4GHz Receiver

BETAFPV

BETAFPV Lite receiver is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance.Message from BETAFPV regarding Flat antenna range issues:The ELRS Lite Receiver flat antenna V1.1 is coming to see you again. Range issues and failsafe at around 100 meters have been resolved compared with V1.0. Now, the V1.1 flat antenna receiver can reach 600 meters with BetaFPV Moxon antenna. Please feel free to email support@betafpv.com and our support team will help you if you have any issues.
Check out all our receivers, and our entire BetaFPV selection!
Specifications

Input voltage: 5V
Frequency bands: 2.4GHz ISM

MCU: ESP8285
Telemetry power: 17mW
Antenna: Integrated SMD ceramic antenna

Size: 10*10mm

Weight: 0.47g tower or .53g flat (with SMD ceramic antenna)



Note: The firmware version of the Lite receiver manufactured by our company is ELRS 1.1.0 ELRS Innovative team has officially released version 1.2.0, which is not compatible with the 1.1.0 version. We suggest our customers upgrade this receivers' ELRS version to 1.2.0 if needed. Significantly, the TX module and receiver have to be in the same ELRS version, otherwise, the frequency cannot match successfully.
Includes

1x BETAFPV ELRS Lite receiver
2x Spare shrink tube

4x 30awg silicon connection wires (1 black, 1 red, 1 white, 1 yellow)


BETAFPV Lite receiver is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance.Message from BET

BetaFPV ELRS Lite 2.4GHz Receiver - Choose Version

BETAFPV Lite receiver is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance.


A ton of ExpressLRS items are available now!
Nano RX or Lite RX
What is the major difference between Nano receiver and Lite receiver?
Nano receiver (2.4G version) is the first and (so far) the only receiver with power amplifier (PA+LNA). It has 100mW telemetry output and better sensitivity when longer range. Lite receiver doesn't have a PA/LNA on them, so its telemetry power is as what the RF chip SX1280 came with 17mW.
Beside, Nano receiver comes with normal external Dipole T antenna. Lite receiver has SMD ceramic antenna and in theory it is not so long range.
High recommend the Nano receiver if the space is enough. On 65-85mm whoop drones with limited space and need light weight, Lite receiver is a better choice.
Tower Antenna or Flat Antenna

New lite receiver with a flat antenna features a 3mm extra-thin board and 0.53g lightweight, which requires less assembly space on drones with limited space. Besides, solid flat antenna without irregular parts can withstand crashes, making the receiver not so fragile.

Whatever tower antenna or flat antenna, both versions perform well in control, range and stability, bringing a good flight experience to pilots. Below chart is the basic information for two antennas. It is shown that both antennas have almost the same performance in gain. However, the efficiency for flat antenna is better than tower antenna. In spite of that, tower antenna and flat antenna V1.1 can reach about 600 meters by equal conditions.




Tower Antenna
Flat Antenna V1.1


Weight
0.47g
0.53g


Size

10mm*10mm*6mm
11mm*10mm*3mm



Gain
3.3dBi
3.2dBi


Radio Efficiency
&gt70%
&gt80%


Return Loss
&lt-7
&lt-7


Recommend Drone
Whoop Drone
Whoop Drone


Range
About 600 meters
About 600 meters




Flat Antenna V1.0 &amp V1.1
The ELRS Lite Receiver flat antenna V1.1 is coming to see you again. Range issues and failsafe at around 100 meters have been resolved compared with V1.0. Now, the V1.1 flat antenna receiver can reach 600 meters with BETAFPV Moxon TX Antenna (using BETAFPV Nano TX module).
Previously, the flat antenna V1.0 led to the failsafe at around 100 meters with an RSSI of -95dBm of this receiver, which did not reach the expected range compared with the beta version. However, it works great for indoor whooping and racing.

For customers who bought this receiver before March 2022 and have issues with it, we will refund you or send you a new one that fixes range issues.
Please feel free to email support@betafpv.com and our support team will help you.
BETAFPV ExpressLRS Receivers
Choosing a suitable receiver to fly quadcopter or other RC models is very important. BETAFPV ExpressLRS Receivers including ELRS Lite, Nano, Micro, and the newest SuperD, greatly fulfill pilots' requirements for FPV flying.




SuperD RX
Micro RX
Nano RX
Lite RX


Weight
1.1g (RX only)
3.5g (RX only)
0.7g (RX only)
0.47g (Tower), 0.53g (Flat)



Antenna
IPEX MHF + T antenna
IPEX MHF + T antenna
IPEX MHF + T antenna
SMD ceramic antenna



MCU
ESP32-PICO-D4, dual SX1280
ESP8285

ESP8285

ESP8285 



RF Chip
Dual SX1280 + Dual PA
SX128X
SX1280 + PA, SX1276 + PA
SX128X


Frequency
2.4GHz ISM
2.4GHz ISM
2.4GHz ISM, 915MHz (FCC), 868MHz (EU)

2.4GHz ISM



Telemetry Power
100mW
17mW
100mW
17mW


Serial Output Protocol
CRSF
PWM or CRSF
CRSF
CRSF


Model Type
FPV Drone, Fixed-wing aircraft
Fixed-wing aircraft, Helicopter, RC Cars, RC Boats
FPV Drone
Whoop Drone





Specification

Weight: 0.47g (with Tower SMD ceramic antenna), 0.53g (with Flat SMD ceramic antenna)
Size: 10mm*10mm*6mm (Tower), 11mm*10mm*3mm (Flat)
MCU: ESP8285
Telemetry power: 17mW
Frequency bands (Nano receiver 2.4G version): 2.4GHz ISM
Input voltage: 5V

Antenna: Integrated SMD ceramic antenna

Diagram
Lite receiver with tower antenna 2.4G version diagram as shown below.

Lite receiver with flat antenna 2.4G version diagram as shown below.

Note: For orders before April 2022, the firmware version of the Lite receiver tower antenna or flat antenna v1.1 manufactured by our company is ELRS 2.0.0 ELRS Innovative team has officially released version 2.4.0. If you want to flash ELRS official firmware, please download the latest ExpressLRS-Configurator or read our manual for flashing it. Significantly, the TX module and receiver have to be in the same ELRS version, otherwise, the frequency cannot match successfully.
Download the latest ExpressLRS-Configurator.
Manual for flashing ExpressLRS official firmware.

Know More About ExpressLRS
ExpressLRS is an open-source RC link for RC applications. Everyone could find this project on Github or join the discussion in Facebook Group.
ExpressLRS is based on Semtech Lora SX127x or SX1280 hardware for RX and TX respectively. it aims to achieve the best possible link performance in both speeds, latency, and range. At 900 MHz a maximum of 200 Hz packet rate is supported. At 2.4 GHz a blistering 500Hz is currently supported with a custom OpenTX build. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance.
More and more vendors start to support the ExpressLRS radio protocol in different parts, like radio transmitter with ELRS in stock, drone with built-in ELRS receiver, ELRS TX module for JR bay, or Nano bay. BETAFPV team take part in this project and provide a series of ExpressLRS components.

Configuration &amp Bind 
ExpressLRS uses the Crossfire serial protocol (AKA CRSF protocol) to communicate between the receiver and the flight controller board. So make sure your flight controller board supports the CRSF serial protocol. Next, we use the flight controller with Betaflight firmware to show how to set up the CRSF protocol.
The connection between the ELRS Lite receiver and the FC board is shown below.

Enable the corresponding UART (e.g. UART3 below) as a Serial Rx on Betaflight Configurator "Ports" tab.

On the "Configuration" tab, select "Serial-based receiver" on the "Receiver" panel, and select "CRSF" as the protocol. Telemetry is optional here and will reduce your stick update rate due to those transmit slots being used for telemetry.

The Lite receiver comes with offically major release V2.0.0 protocol and no Binding Phrase inlcuded. Lite receiver could enter binding status by power on/off three times.

Plugin and unplug Lite receiver three times
Make sure the LED is doing a quick double blink, which indicates the receiver is in bind mode
Make sure the RF TX module or radio transmitter enter binding status, which sends out a binding pulse
If the receiver has a solid light, it's bound.

Note: Binding once and the receiver will store the binding information. Re-power and the connect successfully auto.
Note: If you reflash firmware of the receiver with your own Binding Phrase, please make sure the TX module has the same Binding Phrase. The RF TX module and the receiver will bind automatically in this situation. 
FAQ
BETAFPV ELRS Nano receiver user manual download. (use the same manual of Nano Receiver).
Recommend ExpressLRS Recovery Dongle for unbricking the receiver.
Considering customers who fly whoop drones indoors or with a short range, less than 100m, the Lite Receiver Flat Antenna V1.0 will be compatible with their needs. If you would like to fly drones with long-range, please choose Tower Antenna or V1.1 Flat Antenna.
Package

1 * BETAFPV ELRS Lite receiver (tower antenna or flat antenna V1.1)
2 * Spare shrink tube

4 * 30awg silicon connection wires (1 black, 1 red, 1 white, 1 yellow)


or


BETAFPV Lite receiver is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance. A ton of Expres

ELRS Lite Receiver

BETAFPV Lite receiver is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance. Check out all o

BetaFPV ELRS Lite Receiver - 2.4GHz

BETAFPV Lite receiver is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance. New lite receiv

BetaFPV ELRS Lite Receiver Flat Antenna V1.1 - 2.4GHz

Happymodel ELRS EP2 TCXO 2.4GHz Receiver

EP2 ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver apply “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments make these TCXO much reliable.

&ampnbsp
Specifications:

 	Type: ISM2.4GHz
 	ESP8285 MCU
 	SX1280(SX1281)IMLTRT RF Module
 	SMD Ceramic antenna
 	Frequency Range: 2400 MHz to 2500 MHz
 	Receive refresh rate: 25HZ~500Hz
 	Working voltage: 5v
 	Weight: 0.44 gram
 	Dimension: 10mm*10mm*6mm
 	Peak gain: 3.7dB
 	Default Firmware out of factory: HappyModel_EP_2400_RX V2.2 version
 	Built-in a TCXO (temperature compensated crystal oscillator)

Package Includes:

 	1 x Happymodel 2.4G ExpressLRS EP2 TCXO RX Receiver Module

Happymodel 2.4G ExpressLRS EP2 TCXO RX Receiver Module | Five33

Happymodel 2.4G ExpressLRS EP2 TCXO RX Receiver Module

The Happymodel EP2 TCXO RX is a nano-sized true diversity 2.4GHz ELRS receiver with RF amps. This TCXO Rx receiver uses a temperature-compensated crystal oscillator to help with accurate MCU clock frequency, thus improving the performance and reliability of your RC link. Despite the small size, the low latency and high refresh rate of the ELRS system allow this receiver to be used on full-size/long-range quads, while also being small enough to be used on whoop-size quads! The Happymodel EP1 RX includes an IPEX connector for a dipole antenna, while the EP2 RX includes a built-in SMD antenna.
The EP1, EP2, and EP1 Dual modules are based on the ESP8285 MCU that allows for upgrading via WiFi, along with the SX1280(SX1281)IMLTRT RF Module.
Check out our other great receivers, and the rest of our Happymodel offerings.

Specifications


Type: ISM2.4GHz 

ESP8285 MCU
SX1280(SX1281)IMLTRT RF Module

Antenna connector: SMD Ceramic antenna

RF Frequency: 2.4GHz (2400~2480MHz)


Telemetry power: &gt19dbm


Receiver protocol: CRSF


Input voltage: +5V DC @ “+” pad


PCB size: 10mm x 10mm


Weight: 1gram exclude antenna

Built-in a TCXO (temperature-compensated crystal oscillator)

Firmware


Default Firmware out of the factory: HappyModel_EP_2400_RX V2.2 version
Built-in a TCXO (temperature-compensated crystal oscillator)

Includes

HappyModel 2.4GHz EP2 TCXO RX Express LRS Receiver


The Happymodel EP2 TCXO RX is a nano-sized true diversity 2.4GHz ELRS receiver with RF amps. This TCXO Rx receiver uses a temperature-compensated crystal oscillator to help with accurate MCU clock frequency, thus improving the performance and reliability of your RC link. Despite the small size, the low latency and high

HappyModel 2.4GHz EP2 TCXO RX Express LRS Receiver - Ceramic Antenna

The Happymodel EP2 TCXO RX is a nano-sized true diversity 2.4GHz ELRS receiver with RF amps and comes with a built-in SMD antenna.

#html-body [data-pb-style=RM2X10X]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=BOJW1X5]{display:no

Happymodel TCXO ExpressLRS 2.4GHz Nano Receiver - EP2

EP2 ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver apply “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments make these TCXO much reliable. Check out our ExpressLRS Collection,

Happymodel ELRS EP1 TCXO 2.4GHz Receiver

EP1 ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver apply “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments make these TCXO much reliable.

Check out our ExpressLRS Collection, all our Receivers and the rest of our Happymodel Products!
Specifications:

 	Type: ISM2.4GHz
 	ESP8285 MCU
 	SX1280(SX1281)IMLTRT RF Module
 	Omni directional antenna
 	Frequency Range: 2400 MHz to 2500 MHz
 	Receive refresh rate: 25HZ~500Hz
 	Working voltage: 5v
 	Weight: 0.41 gram(without antenna)
 	Dimension: 10mm*10mm*6mm
 	Peak gain: 2.23dB
 	Default Firmware out of factory: HappyModel_EP_2400_RX V2.2 version
 	Built-in a TCXO (temperature compensated crystal oscillator)

Package Includes:

 	1 x Happymodel 2.4G ExpressLRS EP1 TCXO RX Receiver Module

Happymodel 2.4G ExpressLRS EP1 TCXO RX Receiver Module | Five33

Happymodel 2.4G ExpressLRS EP1 TCXO RX Receiver Module

The Happymodel EP1 TCXO RX is a nano-sized true diversity 2.4GHz ELRS receiver with RF amps that comes with a IPEX connector for a dipole antenna.

#html-body [data-pb-style=U8AL89K]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=PTNE7PN]{display:no

Happymodel TCXO ExpressLRS 2.4GHz Nano Receiver - EP1

EP1 ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver apply “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments make these TCXO much reliable. Check out our ExpressLRS Collection,

EP1 ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver applies a “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments making these TCXO much more reliable.
Check out our other great receivers, and the rest of our Happymodel offerings.
Specifications


Type: ISM2.4GHz


SX1280(SX1281)IMLTRT RF Module


Antenna connector: IPEX MHF 1/U.FL


RF Frequency: 2.4GHz (2400~2480MHz)


Telemetry power: &gt19dbm


Receiver protocol: CRSF


Input voltage: +5V DC @ “+” pad


PCB size: 10mm x 10mm


Weight: .04 grams excluding antenna

Built-in a TCXO (temperature-compensated crystal oscillator)


Includes

1x HappyModel 2.4GHz EP1 TCXO RX Express LRS Receiver
2x Antennas


EP1 ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver applies a “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments making these TCXO much more reliable. Check out our other great

HappyModel 2.4GHz EP1 TCXO RX ELRS Receiver

Happymodel ELRS EP1 Diversity TCXO 2.4GHz Receiver

EP1 Dual ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver apply “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments make these TCXO much reliable.
Check out our other great receivers, and the rest of our Happymodel offerings.

Specifications


Type: ISM2.4GHz


ESP32 PICO D4, dual SX1280(SX1281)


Antenna connector: IPEX MHF 1/U.FL


RF Frequency: 2.4GHz (2400~2480MHz)


Telemetry power: &gt19dbm


Receiver protocol: CRSF


Input voltage: +5V DC @ “+” pad


PCB size: 19mm x 14mm


Weight: 1gram exclude antenna

Built-in a TCXO (temperature compensated crystal oscillator)

Firmware


Default Firmware out of factory: Unified_ESP32_2400_RX  Could upgrade to HappyModel EP1 Dual 2400 RX 3.0FW
Firmware update via UART or WIFI

Includes

1x Happymodel 2.4G ExpressLRS EP1 Dual TCXO RX True Diversity Receiver Module
2x Antennas


EP1 Dual ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver apply “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments make these TCXO much reliable. Check out our other great recei

HappyModel 2.4GHz EP1 Dual Diversity TCXO RX ELRS Receiver

The Happymodel EP1 Dual TCXO is a nano-sized true diversity 2.4GHz ELRS receiver with RF amps and two antennas.

#html-body [data-pb-style=TEAJM70]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=VYD4UD1]{display:no

Happymodel TCXO ExpressLRS 2.4GHz Nano Receiver - EP1 Dual

EP1 Dual ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver apply “temperature compensated crystal oscillator”, accurate frequency and excellent performance in extreme temperature environments make these TCXO much reliable. Check out our ExpressLRS Collec

Happymodel 2.4G ExpressLRS EP1 Dual TCXO RX True Diversity Receiver Module

Matek

Matek ELRS-R24-P 2.4GHz PWM Receiver

ELRS has quickly become one of the most popular link system choices for many pilots, and we are excited to bring Matek's lineup of these receivers to you.You know it's quality when it's Matek! Check out our ExpressLRS Collection, all our Receivers and the rest of our Matek products! Specifications: ESP8285, SX1281 Ante

MATEK ELRS-R24-P6 ELRS 2.4GHZ PWM RECEIVER

Matek Systems

The MATEKSYS ELRS R24 P Receiver is a 2.4GHz ExpressLRS PMW receiver with 12dbm Telemetry Power.

The MATEKSYS ELRS R24 P Receiver is a 2.4GHz ExpressLRS PMW receiver with 12dbm Telemetry Power.

Features

12dbm Telemetry Power
2.4GHz Frequency
ExpressLRS




Specifications

Power dissipation: 45mA(binding), 85mA(

MATEKSYS ExpressLRS 2.4GHz Receiver - PWM ELRS R24 P

iFlight

iFlight ELRS 915/868MHz Receiver

It's finally here, the iFlight ELRS System! Extreme range and markets highest packet rate for lowest delay. Failsafe's are a thing of the past.  ExpressLRS RX modules developed in close cooperation with the ExpressLRS Team with firmware targets already released. Check out all our ExpressLRS Products, Receivers, and the

IFlight ELRS 915/868MHz Receiver - Choose Antenna

iFlight ELRS 2.4GHz Receiver w/ Ceramic SMD Antenna

IFlight ELRS 2.4GHz Receiver w/ Ceramic SMD Antenna

IFLIGHT

It's finally here, the iFlight ELRS 2.4GHz Receiver w/SMD Antenna! Extreme range and highest packet rate for lowest delay. Failsafes are a thing of the past! Developed in close cooperation with the ExpressLRS Team with firmware targets already released.
Note: This is now Plug &amp Play, coming with a short and long silicone plug harness. 
Check out all our ExpressLRS compatible gear, and our entire iFlight selection!
Features

Improved circuit design
Market's lowest crystal frequency deviation (low packet loss, high frequency stability)
High-performance at 2400MHz or 900MHz (915 / 868 bands available)
Frequency tuned SMD antenna

Pre-soldered SH1.25 connector with 30mm wire length (Plug&ampPlay for easy installation with iFlight FCs)

Specifications

Input Voltage: 5V
Firmware: ExpressLRS iFlight 2400RX
Frequency: 2.4GHz

Telemetry Power: 20dbm

Connector: SH1.25 including 30mm wire (pre-soldered)

Interface: 5V GND RX TX

Protocol: ELRS

Dimension: 12x19.5mm
Weight: 1.2g

Includes

iFlight ELRS 2.4GHz Receiver - Ceramic SMD Antenna
2 Plug &amp play silicone cables


It's finally here, the iFlight ELRS 2.4GHz Receiver w/SMD Antenna! Extreme range and highest packet rate for lowest delay. Failsafes are a thing of the past! Developed in close cooperation with the ExpressLRS Team with firmware targets already released. Note: This is now Plug &amp; Play, coming with a short and long si

iFlight ELRS 2.4GHz Receiver - Ceramic Antenna

GEPRC

GEPRC ELRS 915MHz Nano Receiver w/ T Antenna

GEPRC ELRS Nano receiver is a new generation remote control system developed based on the ExpressLRS open source project. ExpressLRS sets new standards for long-range connection, low latency and maximum refresh rate of 250Hz.GEPRC ELRS Nano receivers are available in 915MHz and 2.4GHz versions with maximum refresh rate

GEPRC ELRS 2.4GHz NanoSE Receiver w/ Ceramic Antenna

GEPRC ELRS NanoSE receiver is a new generation remote control system developed based on the ExpressLRS open source project. ExpressLRS sets new standards for long-range connection, low latency, and a maximum refresh rate of 500Hz.
GEPRC ELRS NanoSE receiver operates at a frequency of 2.4 GHz. Compared with the Nano receiver, the NanoSE receiver uses an Integrated SMD ceramic antenna, which further reduces its size while ensuring signal reception, making it more suitable for use on drones with limited space and lightweight.
Note: ELRS products now shipping have been pre-flashed with 2.x firmware. 2.x is not compatible with version 1.x, so you need to upgrade the transmitter to 2.x for proper frequency matching.
Check out the rest of our RC receivers and all our RC transmitters, modules, and accessories!
Features


Small size
0.4g weight
WIFI Upgrade firmware
ELRS open source project, remote control
Integrated SMD Ceramic Antenna
Maximum refresh rate of 500Hz
The operation is simple

Specifications

Small size
0.4g weight
WIFI Upgrade firmware
ELRS open source project, remote control
Integrated SMD Ceramic Antenna
Maximum refresh rate of 500Hz
The operation is simple

Includes

1x NanoSE receiver
2x Heat shrink tube
4x Silicone cable（black, red, yellow, green）
1x Pin (4pin)
1x Instruction manual



1x Sticker











GEPRC ELRS NanoSE receiver is a new generation remote control system developed based on the ExpressLRS open source project. ExpressLRS sets new standards for long-range connection, low latency, and a maximum refresh rate of 500Hz. GEPRC ELRS NanoSE receiver operates at a frequency of 2.4 GHz. Compared with the Nano rec

GEPRC 2.4GHz ELRS NanoSE Receiver

GEPRC ELRS NanoSE receiver is a new generation remote control system developed based on the ExpressLRS open source project. ExpressLRS sets new standards for long-range connection, low latency and Maximum refresh rate of 500Hz. GEPRC ELRS NanoSE receiver operates at a frequency of 2.4 GHz. Compared with Nano receiver, 

Summary
GEPRC ELRS Nano receiver is a new generation remote control system developed based on the ExpressLRS open source project. ExpressLRS sets new standartds for long-range connection, low latency and maximum refresh rate of 500Hz.
GEPRC ELRS Nano receivers are available in 915/868MHz and 2.4GHz versions with maximum refresh rate of 500Hz and can be used with GEPRC ELRS-series products or other ELRS-compatible devices.

Specifications
Size: 16.8mm*10mm
Weight: 0.6g(receiver only)
Frequency band: 915MHz FCC/868MHz EU/2.4GHz ISM
Input voltage：5V
Antenna connector: ipex1


Feature

1. Small size
2. 0.6g weight
3. WIFI Upgrade firmware
4. ELRS open source project, remote control
5.The operation is simple

Package Included
1 x Receiver
1 x T antenna
2 x Heat shrink tube
4 x Silicone cable（black, red, yellow, green）
1 x Pin (4pin)
1 x Instruction manual



ELRS Nano Receiver Diagram

LED Status indication






Instructions
ELRS Nano receiver and FC connection diagram:



Open Betaflight Configurator, go to “Ports”tab and enable the corresponding UART as a Serial Rx (e.g. UART2 as shown below). Save and restart.








On the“Configuration”tab, click on“Serial-based receiver”on the“Receiver”panel, and select “CRSF”








Binding
1. The receiver is powered on and off for three consecutive times (within an interval of 1 second)
2. Receiver's LED doing double flashing, indicating that the receiver has entered the binding mode
3. Make the RF Tx module or radio transmitter enter binding status. Once the LED status changes to solid light, the binding is successful.

FAQ
Q:Why GEPRC ELRS rx is always on and can not work when powered it up?



A:Recently, many users have reported that some F4 flight control Uart 2 ports are wired according to the crsf receiver in the manual, and the ELRS receiver is always on and can not work.

After data inquiry and test, it is determined that for the receiver with ESP chip, if the TX interface is placed at low Vil Mode,

This is not a bug in the firmware.

This problem is well known that some FCs cause the receiver TX line to go low at power on which forces the ESP into bootloader mode, hence the solid LED.

This is not a failure of the flight control or the receiver, but the ELRS project was not popular during the development of this part of the flight control models, and this problem was not optimized. The chips of ELRS and black sheep receiver are different, so the same crsf connection black sheep receiver can be used normally. The subsequent launch of flight control will solve this problem.

There are a couple of potential fixes/workarounds.

In addition, if there is a need for this part of flight control to use ELRS receiver, try the following methods:

1. Power on repeatedly for several times (low efficiency)

2. Remove some components on the flight control (high risk)

3. Add a pull-up resistor to port 2 (reply from the developer)
You can try is to add a small value (300ohm-1kohm) pull up resistor (to 3.3V) to the receiver TX line.

4. Change the version of flight control firmware (this problem occurs in some firmware of version 4.2)

5. ELRS receiver is connected to port 1, which can be used normally (Troubleshooting perfectly)

More details please check the link below:

https://github.com/ExpressLRS/ExpressLRS/issues/655

Q: Why can't my remote controller be bound to the GEPRC ELRS 2.4G receiver?



A: The default firmware of our receiver is 2.0, if your remote controller is 3.0, it cannot be bound. If your remote controller is above 3.0 firmware, please use this GEPRC ELRS Nano 2.4G Firmware 3.0.zip

Summary GEPRC ELRS Nano receiver is a new generation remote control system developed based on the ExpressLRS open source project. ExpressLRS sets new standartds for long-range connection, low latency and maximum refresh rate of 500Hz. GEPRC ELRS Nano receivers are available in 915/868MHz and 2.4GHz versions with maximum refresh rate of 500Hz and can be [...]

GEPRC ELRS Nano Receiver - GEPRC

GEPRC ELRS Nano Receiver

Summary


GEPRC ELRS NanoSE receiver is a new generation remote control system developed based on the ExpressLRS open source project. ExpressLRS sets new standartds for long-range connection, low latency and Maximum refresh rate of 500Hz.
GEPRC ELRS NanoSE receiver operates at a frequency of 2.4 GHz. Compared with Nano receiver, NanoSE receiver uses an Integrated SMD ceramic antenna, which further reduces its size while ensuring signal reception, making it more suitable for use on drones with limited space and light weight.
Note：ELRS products now shipping have been pre-flashed with 2.x firmware. 2.x is not compatible with version 1.x, so you need to upgrade the transmitter to 2.x for proper frequency matching.

Specifications
Size:12.1mm*10.4mm
Weight:0.4g
Chips:ESP8285,SX1281
Frequency band:2.4GHz ISM
Refresh rate:25Hz-500Hz
Input voltage:5V
Antenna:Integrated SMD Ceramic Antenna

Feature

 	Small size
 	0.4g weight
 	WIFI Upgrade firmware
 	ELRS open source project, remote control
 	Integrated SMD Ceramic Antenna
 	Maximum refresh rate of 500Hz
 	The operation is simple






ELRS NanoSE Receiver Diagram




Package Included


1 x NanoSE receiver
2 x Heat shrink tube
4 x Silicone cable（black, red, yellow, green）
1 x Pin (4pin)
1 x Instruction manual
1 x Sticker








LED Status indication







Instructions
ELRS NanoSE receiver and FC connection diagram:



Open Betaflight Configurator, go to “Ports”tab and enable the corresponding UART as a Serial Rx (e.g. UART2 as shown below). Save and restart.
&ampnbsp









On the“Configuration”tab, click on“Serial-based receiver”on the“Receiver”panel, and select “CRSF”








Binding
1. The receiver is powered on and off for three consecutive times (within an interval of 1 second)
2. Receiver's LED doing double flashing, indicating that the receiver has entered the binding mode
3. Make the RF Tx module or radio transmitter enter binding status. Once the LED status changes to solid light, the binding is successful.


FAQ
Q:Why GEPRC ELRS rx is always on and can not work when powered it up?

A:Recently, many users have reported that some F4 flight control Uart 2 ports are wired according to the crsf receiver in the manual, and the ELRS receiver is always on and can not work.

After data inquiry and test, it is determined that for the receiver with ESP chip, if the TX interface is placed at low Vil Mode,

This is not a bug in the firmware.

This problem is well known that some FCs cause the receiver TX line to go low at power on which forces the ESP into bootloader mode, hence the solid LED.

This is not a failure of the flight control or the receiver, but the ELRS project was not popular during the development of this part of the flight control models, and this problem was not optimized. The chips of ELRS and black sheep receiver are different, so the same crsf connection black sheep receiver can be used normally. The subsequent launch of flight control will solve this problem.

There are a couple of potential fixes/workarounds.

In addition, if there is a need for this part of flight control to use ELRS receiver, try the following methods:

1. Power on repeatedly for several times (low efficiency)

2. Remove some components on the flight control (high risk)

3. Add a pull-up resistor to port 2 (reply from the developer)
You can try is to add a small value (300ohm-1kohm) pull up resistor (to 3.3V) to the receiver TX line.

4. Change the version of flight control firmware (this problem occurs in some firmware of version 4.2)

5. ELRS receiver is connected to port 1, which can be used normally (Troubleshooting perfectly)

More details please check the link below:

https://github.com/ExpressLRS/ExpressLRS/issues/655

Summary GEPRC ELRS NanoSE receiver is a new generation remote control system developed based on the ExpressLRS open source project. ExpressLRS sets new standartds for long-range connection, low latency and Maximum refresh rate of 500Hz. GEPRC ELRS NanoSE receiver operates at a frequency of 2.4 GHz. Compared with Nano receiver, NanoSE receiver uses an Integrated [...]

GEPRC ELRS NanoSE Receiver - GEPRC

GEPRC ELRS NanoSE Receiver

Skystars

SkystarsRC Supreme ELRS 2.4GHz Diversity Receiver - T-Antenna

SkyStars

The Skystars Supreme ExpressLRS 2.4GHz Diversity Dual Nano Receiver is a fantastic option for any ELRS user! This receiver features two antennas that operate in diversity mode (antenna-switching) for optimum reception and performance.  

#html-body [data-pb-style=PVBXLUF]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=FNMIPD1]{display:no

Skystars Supreme ExpressLRS 2.4GHz Diversity Dual Nano Receiver w/ T-Antenna

0.8g Skystars Supreme 2.4GHz, 200mw Telemetry, with Dual Antenna Diversity Receiver for ExpressLRS. 100% ELRS Devs Approved Low Latency High Refresh Rate for Freestyle Racing Longrange FPV Drones. Check out our ExpressLRS Collection, all our Receivers and the rest of our Skystars Products! Specifications: MCU: ESP8285 

SkystarsRC Supreme ExpressLRS 2.4GHz Diversity Receiver W/ Telemetry - T-Antenna

SkystarsRC Supreme ELRS 2.4GHz Diversity Receiver - Brass Antenna

SkystarsRC Supreme ExpressLRS 2.4GHz Diversity Receiver W/ Telemetry - Brass Antenna

The Skystars Supreme ExpressLRS 2.4GHz Diversity Dual Nano Receiver is a fantastic option for any ELRS user! This receiver features two antennas that operate in diversity mode (antenna-switching) for optimum reception and performance. 

#html-body [data-pb-style=R2GW06A]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=SEGX885]{display:no

Skystars Supreme ExpressLRS 2.4GHz Diversity Dual Nano Receiver w/ Brass Antenna

Flywoo

Flywoo ELRS EL24P 2.4GHz Micro Receiver

The Flywoo 2.4GHz ELRS nano series receiver is an open-source program based on the lightweight and minuscule ExpressLRS. Using the ESP8285 MCU, SX1280 RF CHIP, and IPEX ports, you can connect external T-type antennas for more range, and a stronger signal. Check out all our Receivers and the rest of our Flywoo Products!

FLYWOO

The Flywoo 2.4GHz ELRS nano series receiver is an open-source program based on the lightweight and minuscule ExpressLRS. Using the ESP8285 MCU, SX1280 RF CHIP, and IPEX ports, you can connect external T-type antennas for more range, and a stronger signal.
Check out the rest of our receivers, as well as the rest of our Flywoo selection!
Specifications

Type: ISM

MUC: ESP8285

RF Module: SX1280IMLTRT

Antenna Connector: IPEX
Frequency Range: 2400 MHz to 2500 MHz

Maximum Receive Refresh Rate: 500Hz

Minimum Receiver Refresh Rate: 25Hz

Working Voltage: 5V

Peak gain: 3.7dB
Dimension: 10.8x11x6mm
Weight: 0.4g

Includes

1x Flywoo ELRS EL24P 2.4GHz Micro Receiver


The Flywoo 2.4GHz ELRS nano series receiver is an open source program based on the lightweight and minuscule ExpressLRS . Using the ESP8285 MCU, SX1280 RF CHIP, and IPEX ports, you can connect external T-type antennas for more range, and a stronger signal.

Flywoo ELRS EL24P 2.4GHz Micro Receiver - For Sale At RaceDayQuads

Namimno

Namimno ELRS 2.4G Flash Nano ESP RX

FLASH_RX is based on the open-sourced EXPRESS LRS project. The hardware has been optimized and designed for real-world environments giving it a compact size and stable performance. Conveniently upgradable via WIFI.The Express LRS firmware allows for low latency and high refresh rates. Built-in telemetry functionality s

Namimno ELRS 2.4G Flash Nano ESP RX (onboard antenna racing version)

Matek ELRS-R24-D 2.4GHz Receiver

The MATEKSYS ELRS R24 D Receiver is a 2.4GHz ExpressLRS diversity receiver with 22.5dbm Telemetry Power and two IPEX MHF 1 antennas.

The MATEKSYS ELRS R24 D Receiver is a 2.4GHz ExpressLRS diversity receiver with 22.5dbm Telemetry Power and two IPEX MHF 1 antennas.

VIDEO: Mateksys Express LRS receivers ELRS-R24-S and ELRS-R24-D under a microscope

Features

22.5db

MATEKSYS ExpressLRS 2.4GHz Receiver - ELRS R24 D

MATEK

With ELRS as the quickest growing receiver protocol, it only made sense for Matek to bring their creation to the selection. With their vast years of experience making RC parts, they are able to bring a unique form factor to the sea of carbon copies. 
Check out the rest of our receivers, as well as all of our Matek selection!
Specifications

ESP8285, SX1280/1281IMLTRT
PA/LNA: SE2431L
Antenna connector: IPEX MHF 1
RF Frequency: 2.4GHz (2400~2480MHz)
Telemetry power: 22.5dbm~23dbm
SE2431L RX_gain: 12.5dB
Diversity (antenna-switching), default ANT2
Receiver protocol: CRSF
Input voltage: 4~9V DC @ 5V pad
Power dissipation:  40~45mA(before binding), 70~75mA(binding), 90~95mA(wifi mode)
PCB size: 21mm x 15mm
Weight: 3g w/ 2x antennas
Packing: 1x ELRS-R24-D,   2x IPEX MHF1 Antennas

Includes

1x Matek ELRS-R24-D 2.4GHz Receiver
 2x U.FL Antennas


The Matek ELRS-R24-D 2.4GHz Receiver is their entry in the fastest growing protocol in the industry. Experience Matek's unmatched quality in your build today!

Matek ELRS-R24-D 2.4GHz Receiver for Sale - RaceDayQuads

ELRS has quickly become one of the most popular link system choices for many pilots, and we are excited to bring Matek's lineup of these receivers to you.You know it's quality when it's Matek! Check out our ExpressLRS Collection, all our Receivers and the rest of our Matek products! Specifications: ESP8285, SX1280/1281