MCU
Espressif ESP32-C3FH4X(32-bit RISC-V, 160 MHz, 4 MB flash)
The FTD ELRS Receiver combines an ESP32-C3 microcontroller, SX1280 2.4 GHz transceiver, and SE2431L power amplifier and low-noise amplifier. Two U.FL antenna ports provide antenna diversity on a single radio.
CRSF links the receiver to a flight controller over one UART. The ESP32-C3 also provides Wi-Fi access for settings and firmware updates. Use both supplied antennas and do not power the receiver without antennas connected.
Espressif ESP32-C3FH4X(32-bit RISC-V, 160 MHz, 4 MB flash)
Semtech SX1280(2.4 GHz LoRa / FLRC)
Skyworks SE2431L-R(+21 dBm PA / 12.5 dB LNA typical)
2 x U.FL(Antenna diversity; two 65 mm T-dipoles)
CRSF over UART(420000 baud default)
ESP32-C3 PCB trace antenna(Web UI and firmware updates)
5V(Via pads)
ExpressLRS 3.x(2.4 GHz)
21 x 13 mm | 4.6 g
Made in India
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Mission-specific configuration
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