EP1 EP2 ELRS receiver is the hottest Tiny 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.

EP1 TCXO Receiver
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 V3.0.1 version
Built-in a TCXO (temperature compensated crystal oscillator)

EP2 TCXO Receiver
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 V3.0.1 version
Built-in a TCXO (temperature compensated crystal oscillator)

EP1 Dual TCXO Receiver
Type: ISM2.4GHz
ESP32 PICO D4, dual SX1280(SX1281)
Antenna connector: IPEX MHF 1/U.FL
RF Frequency: 2.4GHz (2400~2480MHz)
Telemetry power: >19dbm
Receiver protocol: CRSF
Input voltage: 3.5~5V Recommend +5V DC @ “+” pad
PCB size: 19mm x 14mm
Weight: 1gram exclude antenna
Built-in a TCXO (temperature compensated crystal oscillator)
Default Firmware out of factory: Unified_ESP32_2400_RX  Could upgrade to HappyModel EP1 Dual 2400 RX 3.0 FW