High Performance VHF Marine with up to two optional COMMANDMIC Waterproof, not just water resistant (IPX 7) 55 marine channels with TAG scan 2nd station ready with COMMANDMIC II or III 70 private channels available Built in DSC (Digital Selective Calling ) Class D Position request & position report (NMEA input & output) Built in 30 Watt 2 way Hailer with Foghorn Rx speaker function (Received radio audio from hailer) Large dot-matrix LCD OPTIONS: COMMANDMIC III (HM162B/SW) or COMMANDMIC II (HM157B/SW) [full remote control & intercom facility] Voice scrambler (UT112)