... route audio output; 2 pop-up UIM(SIM)card; 3 antenna interface ;1 route RS-232 ,1 route RS-422, ... can connect with marine satellite BGAN or other networks, wireless internet sustainable. Outer device ports needs to do waterproofing.Portable ... and instruction manual,1 net wire, remote control unit,3G antenna, GPS antenna Application FieldBe appropriate for emergency defend, mobile monitoring, vehicle ...