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

Features
Excellent performance in extreme temperatures
Uses a temperature-compensated crystal oscillator
Diversity 2.4GHz ELRS RX
Two Antennas
Dual Receiver
RF Amps



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: >19dbm
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 ExpressLRS Nano 2.4GHz EP1 Dual TCXO RX
2x Antenna

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