em-trak B921 Class B AIS Transceiver - 2W CSTDMA [430-0001] Brand_SEM this antenna helps bring them

this antenna helps bring them in loud and clear

Removable Waterproof Cell Phone Holder

Allow setting and resetting of race start timers and distance logs from Garmin equipment connected to the NMEA 2000 network

Two (2) Ergonomic removable handles

Hailed as the first rescue swimmer vest to turn a compliance-drive

em-trak B921 Class B AIS Transceiver - 2W CSTDMA [430-0001] Brand_SEM this antenna helps bring themB921 Class B AIS Transceiver 2W CSTDMA **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 the 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. The B921 is a 2W CSTDMA Class B AIS transceiver, delivering em