The GX1850B radio replaces the popular GX1600/1700 models with a submersible IPX8 body, easy-to-use interface, NMEA 2000 connectivity for instrument data, and RAM4 mic support for a second station. 4 Able to connect two optional RAM4s or four RAM4Ws wirelessly Built-in voice recorder for playback of up to two minutes of RX receive audio Advanced commercial-grade 80 dB receiver with local/distance attenuator Built-in 32-code (FVP-42) and 4 codes (CVS2500A) All U.S. Standard Horizon GX1600 Explorer Maritime VHF Radio Transceiver Unit w/ Hand Mic This listing is a used Standard Horizon GX1600 Explorer Maritime VHF Radio Standard Horizon Vhf STANDARD Horizon GX1850B 25W VHF/NMEA2000 Explorer Series & HC1600 Rain... Standard Horizon Vhf Marine Radio This VHF radio was removed from a boat being refit with all new electronics. We fully tested this VHF radio for TX and RX on channel 27 and receiving weathe Replaces GX1600/GX1700 Explorer Series radios with 25W VHF, NMEA2000 compatibility, and IPX8 waterproof rating. Second station RAM mic compatible for convenient radio control. The HC1600 vinyl cover shields the GX1600 series radio from rain, dust and more with its specially contoured shape made in Japan., Its 18., 5cm x 10., 4cm x 6., 9cm size fits the Explorer radio models. It transmits at 25 watts in the VHF marine band. Standard Horizon GX1700B Explorer VHF Radio with DSC, Scan (Black