em-trak B921 Class B AIS Transceiver - 2W CSTDMA

The em-trak B921 Class B AIS Transceiver – 2W CSTDMA is a compact marine safety device designed for recreational and commercial boaters who operate beyond visual range of shore or in congested waterways. This transceiver is essential for enhancing visibility and situational awareness, which are critical for safe navigation in busy shipping lanes, coastal areas, or during low-light conditions.

Operating on 2 watts of transmit power using CSTDMA technology, the B921 intelligently manages VHF bandwidth to avoid collisions with other AIS transmissions while ensuring your signal reaches the maximum effective range. Its compact housing measures 7 x 6 x 8 inches and weighs 1.76 pounds, making it easy to fit into tight helm spaces on various vessels. Built to marine-grade standards, this transceiver integrates seamlessly with chart plotters, radar systems, and navigation displays.

The em-trak B921 is ideal for cruising sailors, offshore anglers, charter captains, and anyone who values real-time traffic awareness on the water. Its compatibility with marine GPS receivers enhances its functionality, allowing users to overlay AIS targets directly on electronic charts for intuitive threat assessment and collision avoidance.