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Em-Trak Marine Electronics 430-0001 B921 Class B AIS Transceiver 2W CSTDMA

Manufacturer

Em-Trak Marine Electronics

<h3>About Em-Trak Marine Electronics</h3><p>When it comes to on-water safety and situational awareness, few names carry as much weight as <strong>Em-Trak Marine Electronics</strong>. For over two decades, em-trak has focused on a single, critical mission: designing and manufacturing AIS transceivers and integrated marine communication systems that perform flawlessly when it matters most. Trusted by professional mariners, coast guard organizations, search and rescue teams, and recreational boaters around the globe, em-trak has earned its reputation through an unwavering commitment to engineering excellence.</p><h3>A Legacy Built on AIS Technology</h3><p>Em-Trak is a wholly owned subsidiary of UK-based SRT Marine Systems, and that heritage runs deep in every product they build. At the core of each em-trak device is a powerful, fully integrated communication engine refined over more than 20 years of continuous development. This proprietary technology enables real-time processing of AIS transmissions at maximum range while supporting seamless VHF communication &mdash; without loss or error. Whether you are navigating busy shipping lanes, heading offshore, or operating in challenging inland waterways, em-trak keeps you connected, aware, and in control.</p><h3>Class A and Class B AIS Transceivers</h3><p>Em-Trak offers a comprehensive lineup covering both Class A and Class B AIS transponders, making them one of the few brands capable of serving everyone from recreational sailors to SOLAS-certified commercial vessels. The <strong>B-Series</strong> transceivers, including the high-power 5W SOTDMA models, deliver extended range, transmission priority, and ultra-low power consumption in a compact, rugged footprint. The <strong>A-Series</strong>, including the A200, is both SOLAS and inland waterway certified, offering an integrated color display, comprehensive alert systems, and seamless connectivity to ECDIS and bridge systems. For those seeking the ultimate in integrated communication, the <strong>X100</strong> blends VHF, DSC, and AIS technology with intuitive wireless control in a single device.</p><h3>Built to Withstand the Sea</h3><p>Em-Trak engineers every product from the ground up for harsh marine environments. UV-resistant enclosures, marine-grade stainless steel components, high-impact sealing, and vibration protection are standard across the lineup. Every unit manufactured passes through more than 1,000 automated tests and waterproofing checks before it leaves the factory &mdash; and any unit that fails a test is scrapped, not reworked. That zero-compromise manufacturing philosophy is why em-trak products are trusted in the world&apos;s most demanding maritime applications.</p><h3>Connectivity and Compatibility</h3><p>Modern boaters demand flexibility, and em-trak delivers. All transceivers support both NMEA 0183 and NMEA 2000 interfaces, along with Wi-Fi and Bluetooth wireless connectivity, making it straightforward to pair with any chartplotter, mobile app, or onboard display system. Em-Trak transceivers are extensively tested for interoperability with all major marine electronics platforms, ensuring that adding an em-trak unit to an existing setup is a seamless experience rather than a frustrating integration project.</p><h3>Why Choose Em-Trak?</h3><ul><li>Over 20 years of dedicated AIS and VHF technology development</li><li>Class A (SOLAS-certified) and Class B options for every vessel type</li><li>Manufactured in one of Europe&apos;s most advanced electronics facilities</li><li>Rigorously tested: 1,000+ automated checks per unit, zero fault rework policy</li><li>NMEA 0183, NMEA 2000, Wi-Fi, and Bluetooth connectivity as standard</li><li>Trusted by coast guards, search &amp; rescue teams, and commercial operators worldwide</li><li>Backed by a global three-year warranty</li></ul>

Part Number

430-0001
06/02/2036 7:01 PM
Sale Price

$630.63

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Product Details

The Em-Trak B921 is a Class B AIS transceiver utilizing 2-watt CSTDMA technology to deliver advanced marine navigation safety and vessel tracking. This compact unit processes all AIS transmissions in real-time, providing complete situational awareness even at maximum range limits to ensure you have time to respond to nearby vessel traffic.

Key Features:

  • 2W CSTDMA Class B AIS transceiver with global certification (USCG, FCC, Canada, Europe)
  • SRT-AIS transceiver engine for proven performance and reliability
  • Integrated high-performance GPS receiver with internal antenna (supports GPS, GLONASS, BeiDou, Galileo)
  • Ultra-low power consumption of just 1.65W (135mA @ 12V) - best in class
  • FLEXI-FIT bracket system for easy, secure installation without screws
  • Ruggedized construction rated IPx6 and IPx7 waterproof
  • NMEA 0183 and NMEA 2000 connectivity for universal chart plotter compatibility
  • Silent Mode function allows transmit-off operation
  • Built-in power surge protection and enhanced RF screening

Technical Specifications:

  • Dimensions: 150mm x 110mm (5.9" x 4.3")
  • Weight: 320g (0.71 lbs)
  • Power supply: 12V or 24V DC
  • Connectors: SO239 VHF antenna output, TNC external GPS antenna (optional)
  • Complies with IEC 62287-1 Ed.3, ITU-R M.1371.5, IEC 60945 Ed.4, and IEC 61162 standards

Package Contents: AIS transceiver, 2-meter power and data cable, FLEXI-FIT mounting bracket with screws and optional fixing tape.

Note: FCC regulations require all AIS units sold in the US to be programmed by a qualified technician with proper MMSI registration documentation.

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