What is RFD900?

The RFD900 Radio Modem is a high powered 900Mhz, ISM band radio modem designed for long range serial communication. Ranges of 15km and much higher have been reported. Warning. Many common flight controllers have telemetry port current limits that prevent directly powering RFD900 radios at their full transmit power.

How do I pair RFD900?

Plug in the USB side of the cable into a compatible USB port that can supply enough power to the RFD900x. It is advisable to use an antenna whenever the RFD900 is powered and to connect the RFD900 to an external power source to avoid power brownouts, because not all USB ports can deliver sufficient power to the RFD900.

What configuration methods does the rfd900u radio modem support?

The RFD900u Radio Modem is compatible with many configuration methods like the AT Commands and APM Planner. The AT Commands can be used to change parameters such as power levels, air data rates, serial speeds etc. Integrated support for configuring the RFD900u Radio Modem is supported by the APM Planner, with other GCS solutions in development.

What is the rfd900+?

The RFD900+ is a high-performance 900MHz, ISM band radio modem covering the 902 – 928 MHz frequency band. It is designed for long range serial communications applications requiring best in class radio link performance.

How do I power the rfd900 from the FTDI cable?

Pin 1 of the FTDI cable connects to Pin 1 of the RFD900 header. To power the modem from the +5V USB power, a jumper is needed between pins 4 and 6. To power the modem from an external +5V supply, connect power to pins 2 and 4. In case there is need to force the modem into boot mode, short circuit pads 1 and 2 (labeled BOOT) on the 9 way test pads.

What RFD modems work with BASK Aerospace Aerolink?

Bask Aerospace offer the AeroLink range of products that are built to work with all RFDesign modems. They offer two different variants that meet the needs of the ground and airside radios. The AeroLink RFD Adapter Board makes it easy to power your RFD modem from a seperate 5V BEC as recommended above.