ComNav Mariner X2 AIS Class B Transceiver w/Built-in GPS - Must Be ProgrammedMariner X2 Class B AIS Tranceiver ** As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at time of purchase. A copy of the MMSI Registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form. ** Click here to download form. Enhanced Safety and Security at Sea Features: Safety See and be seen using