FrSky R9MM-FC-OTA receiver instruction manual. The receiver supports ACCESS protocol, OTA function, F.Port and battery voltage detection.
The FrSky R9MM-FC-OTA is a compact, full-range telemetry receiver designed for race drones. It supports the ACCESS protocol, enabling wireless firmware updates over the air (OTA) and automatic binding with compatible transmitters. The device features a Smart Port (S.Port) for high-speed digital transmission and supports 16 channels with RSSI output.
| Operating Voltage Range | DC 4V~6V |
|---|---|
| Operating Current | 100mA@5V |
| Operating Range | Up to 10km or above |
| Operating Frequency | 915MHz (Non-LBT)/868MHz (LBT) |
| Dimension | 12.4*12.8*3mm (L x W x H) |
| Weight | 3.5g |
| Numbers of channel | 16CH |
Put the transmitter into [Reg] status, connect the battery to the receiver while holding the F/S button, then select [Bind] on the transmitter after turning off and reconnecting the receiver.
The receiver supports three failsafe modes: No Pulse, Hold, and Custom.
Go to the SD CARD menu on the transmitter, select the firmware file, and choose [Flash receiver OTA] to complete the process.