Widely compatible: suitable for multiple small satellite receiver such as for AR6210, AR8000, AR9020, to use: The R601X comes with a pairing key, which allows you to hold down the pairing key and use the remote to pair frequency, making it very Stable Connection: Provides stable connection, effectively avoiding loss and interferences issue. Highly performances: Provides stable reception and precise data transmission to aircraft Small size design: Small in size, easy installation on aircraft, not occupy too much space.