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

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.