REC0433DM 433MHz CRSF Receiver 200Hz Refresh Rate 0.7g Lightweight FPV Drone

Key Features:

• 433MHz Frequency & CRSF Protocol – Stable signal transmission with low latency.

• High Refresh Rate – Up to 200Hz for maximum responsiveness, minimum 25Hz.

• Lightweight Design – Only 0.7g (antenna not included), perfect for lightweight builds.

• Reliable Power & Operation – DC 4.5-5V input and 50mW return power.

• Compact Size – 12 x 19 x 3mm for easy integration.

• Indicator Light Status –

  • Double Flash: Code pairing mode

  • Slow Flash: No transmit signal received

  • Constant Light: Transmit signal received

  • Fast Flash: WIFI upgrade mode

Packing List:

• REC0433DM Receiver x1

• Connection Cable x4

• T-Antenna x2

• Heat Shrink Tubing x2

Pairing Steps:

1. Connect the receiver to the flight controller and power via USB. Plug and unplug three times until the LED double flashes (pairing mode).

2. Connect the 433MHz ELRSHF head module and remote control. Copy the ELRS.LUA file to the remote’s SD card under SD Card/Scripts/tools. Run ELRS.LUA to perform Bind.

3. After successful binding, the LED will remain constant, indicating telemetry signal reception.