... board displays the working frequency5COFDM modulation and MPEG-2 video compression6NLOS transmission with DVD image quality7Rack mountable design ... RS232 level, supporting 1200~115200ModulationCOFDMConstellationQPSK,16QAM,64QAM (optional)FEC1/2, 2/3, 3/4, 5/6, 7/8 (optional ... for not responsible for any reason of delays. 2~5W Full-Duplex Digital Audio Bidirectional Wireless Transmitter