Cement Ultra Durable ELRS 2.4G receiver is a high-performance receiver specially designed for fpv drone. It has anti-reverse connection function,IP67 dustproof and waterproof rating, and 100mW power amplifier(PA), bringing a powerful, stable and reliable remote control experience.

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ELRS receiver and FC wiring diagram:

Betaflight Setup:

• Open the Betaflight Configurator, go to the “Ports” tab and enable the corresponding UART as “Serial Rx” Save and reboot.
• On the “Receiver” tab, click “Serial Receiver Provider ” on the Receiver panel and select “CRSF”.

Receiver bind method:

• The receiver is powered on and off for 3 consecutive times (within 1 second interval);
• The LED light of the receiver flashes twice, indicating that the receiver has entered the binding mode;
• Put the TX Module or the remote controller into the binding state. Once the LED status becomes steady on, the binding is successful.

Specifications:

• Weight: 3.0g0.2g
• Size: 14.2mm x 22.0mm x 4mm
• Packet Rate: 2.4GHz ISM
• RF: 100mW
• Voltage: 5V
• Current: 60mA
• Protocol: CRSF
• Firmware: BETAFPV_Nano_2400_RX
• Chip: ESP8285SX128XAT2401C
• Antenna:Mini T antenna(50mm)
• The receiver’s factory firmware is ELRS_V3.2.0

Package Includes:

• 1 x DarwinFPV “Cement” Ultra Durable 2.4G Receiver
• 1 x Silicone cable (length 70mm)
• 1 x Transparent heat shrink tube (length 50mm, diameter 14mm)