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![em-trak B921 Class B AIS Transceiver - 2W CSTDMA [430-0001] Anchoring & Docking | Anchoring Accessories mid and long-range detection](https://cdn.shopify.com/s/files/1/0513/2618/9750/products/98701XL.jpg?v=1678754248)
![em-trak B921 Class B AIS Transceiver - 2W CSTDMA [430-0001] Anchoring & Docking | Anchoring Accessories mid and long-range detection](https://cdn.shopify.com/s/files/1/0513/2618/9750/products/98701BXL.jpg?v=1678754250)
![em-trak B921 Class B AIS Transceiver - 2W CSTDMA [430-0001] Anchoring & Docking | Anchoring Accessories mid and long-range detection](https://cdn.shopify.com/s/files/1/0513/2618/9750/products/98701CXL.jpg?v=1678754252)
mid and long-range detection
Propeller installation instructions
Temperature & Pressure Relief Valve
Ethernet-enabled for simple integration into your current electronics
very quiet operation
em-trak B921 Class B AIS Transceiver - 2W CSTDMA [430-0001] Anchoring & Docking | Anchoring Accessories mid and long-range detectionB921 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
