AIS, AIS system, AIS receiver, marine AIS, AIS Transmitter, Class B AIS, Class A AIS, AIS products, Boat AIS HUAYANG[Class B AIS]FEATURESGolden box AIS transponder with built-in GPSSelf-developed viewer ... )VHF RECEIVERFrequency Range156.025MHZ ~ 162.025 MHZChannel Bandwidth25 KHZNumber of AIS Receivers2 Receiver ( one time shared betweenAIS/DSC ) / 1 TransmitterCH-1Default CH ...