... Bidirectional Portable Transmistter for Traffic Command Product Model: SG-D5000ASpecial Features: 1NLOS(Non Line-of-sight) wireless ... board displays the working frequency5COFDM modulation and MPEG-2 video compression6NLOS transmission with DVD image quality7Rack mountable ... RS232 level, supporting 1200~115200ModulationCOFDMConstellationQPSK,16QAM,64QAM (optional)FEC1/2, 2/3, 3/4, 5/6, 7/8 (optional ...