Ship & Land based Marine Radars,Gyrocompass,Autopilots,Speed Logs,Echo Sounders,Fish Finders,Anemometer,Marine GPS,Land GPS,Satellite Communication systems,Inmarsat,Iridium,VHF,HF/MF,GMDSS,Hand Held Communication systems,Intercoms,SART,EPIRB,ADF (VHF/HF)