Simrad RS40-B Marine VHF RadioSimrad RS40 B Marine VHF Radio Simrad RS40 B Marine VHF Radio Stay safer on the water with this VHF Marine Radio. See and be seen by nearby AIS equipped vessels thanks to the integrated Class B AIS transceiver, and add up to two optional wireless handsets. Includes with GPS500 GPS antenna. DetailsIntegrated Class B AIS transceiverClass D DSC approved VHF radioIntegrated GPS receiverRemovable fist mic supports front or rear connectionConnect up to two