Mateksys R24 P6V ExpressLRS ELRS 2 4GHz PWM Vario Receiver for FPV Racing DroneSpecifications ESP32 PICO D4 SX1281 ExpressLRS FirmwarePA LNA SE2431LRF Frequency 2 4GHz ISMTelemetry power 22 5dbm 180mW Diversity Antenna switching default ANT1Barometer SPL06 001 Vario Receiver output 6x PWM CHVBAT voltage sense 0 25 5VAntenna connector IPEX MHF 1Power supply 4 13V DC V PadPower dissipation 60mA 80mA 5V INPCB size 30mm x 18mmWeight 4g w antennaFirmwaresExpressLRSReceiver has ExpressLRS 3 3 2 preloaded with binding phrase 123456 the Receiver will never enter binding mode if using the traditional binding procedure You need to reflash it with your binding phrase OR connect it to your PC phone via WiFi and set your binding phrase in WebUI TipsFull Resolution Switch Configuration ModesPowering receiver with Reverse Voltage will damage the regulator chip DOUBLE CHECK the power wires connected to the receiver Transmitter fw version should be EdgeTX 2 7 1 OpenTX 2 3 15 or newerFlashing via Wifi Power on receiver Receiver s LED Red will blink slow at first and after 30s it should blink fast indicating it s on Wifi Hotspot Mode Wifi SSID ExpressLRS RX Password expresslrs Flashing via UART1 Disconnect ESC and servos from receiver first 2 Wire the receiver into the USB TTL adapter with TX PWM 2 pin on receiver connected to the Rx on the USB TTL and RX PWM 3 pin on receiver connected to the Tx of the USB TTL Wire 5V and GND of the USB TTL to V and GND of