Ships' radio and ship portable radio
Ships’ radio is used for the safe navigation of vessels and for making distress calls in emergency situations. It enables communication with coast stations, port/harbour authorities and with other vessels.
Ships radio includes MF (medium frequency), VHF (very high frequency), HF (high frequency), and UHF (ultra high frequency) radio equipment. It can also include satellite communications equipment, radar equipment, Emergency position indicating radio beacons (EPIRBs) and search and rescue transponders (SARTs).