MATEKSYS R24-TD ExpressLRS ELRS 2.4GHz True Diversity Receiver for FPV Racing Drone SpecificationsESP32-PICO-D4, SX1281, ExpressLRS Firmware PA/LNA: AT2401C RF Frequency: 2.4GHz ISM Telemetry power: 20dbm (100mW) True Diversity Receiver protocol: CRSF Antenna connector: IPEX MHF-1 Power supply: 4-13V DC @ “V” Pad Power dissipation: 100mA~170mA@5V IN PCB size: 28mm x 16mm Weight: 4g w/ antenna RGB LED Status [Rainbow fade effect], Starting Up [Green heartbeat], Web update mode enabled [Slow blink 500ms on/off ], Waiting for connection from transmitter [Red flashing 100ms on/off], Radio chip not detected [Orange Double blink then pauses], Binding mode enabled [Orange Triple blink then pauses], Connected to transmitter but mismatched model-match configuration [Solid single color Connected to a transmitter], color indicates packet rate in Boot mode, RGB LED doesn’t light up. Firmwares - Receiver Target: Generic ESP32 True Diversity PA 2.4Ghz RX /or RadioMaster RP4-TD /or HappyModel EP Dual - Any of variants based on Target “Generic ESP32 True Diversity PA 2.4Ghz RX” can be flashed. - Receiver 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. Tips Full Resolution Switch Configuration Modes Powering receiver with Reverse Voltage will damage the regulator chip. DOUBLE CHECK the power wires connected to the receiver. Flashing via Wifi - Power on receiver. RGB LED Rainbow fade effect at first, then Slow blink 500ms on/off. after 20s, Green blink indicating it’s on Wifi Hotspot Mode. - Wifi SSID “ExpressLRS RX”, Password “expresslrs” Flashing via UART 1.Wire the receiver into the USB-TTL adapter, with TX on receiver connected to the Rx on the USB-TTL, and RX on receiver connected to the Tx of the USB-TTL. Wire 5V and GND of the USB-TTL to 5V and GND of the Receiver. 2.Press the boot button while powering on the receiver, then release – the RGB LED will not turn on. 3.In Configurator, Select the target Generic ESP32 True Diversity PA 2.4Ghz RX, or RadioMaster RP4-TD, or HappyModel EP Dual and “UART” for Flashing Method, set your bind phrase and Firmware Options , Check “erase before flash” and “Force FLash". Package Included 1x ELRS-R24-TD 2x IPEX MHF1 Antennas. 15cm