Spektrum - DX9 Black 9-Channel DSMX Transmitter Only, Mode 2, SPMR9910

This exclusive Spektrum technology gives DX9 users the ability to wirelessly link up with other Spektrum transmitters and specially-equipped Spektrum FPV headsets. Once bound to another transmitter or component, ModelMatch? technology will allow the DX9 to re-link without having to go through the bind process again.