Em-Trak Marine Electronics 430-0009 B951 Class B AIS Transceiver 5W SOTDMA

The Em-Trak B951 is a high-performance Class B AIS transceiver featuring 5-watt SOTDMA transmission technology for superior range and transmission priority in even the busiest waterways. This compact and ruggedized marine safety device processes all AIS transmissions in real-time, ensuring you have complete situational awareness and can respond quickly to vessel traffic around you.

Key Features:

• 5W SOTDMA transmission power provides greater range and priority over standard 2W Class B transceivers
• Integrated high-performance GPS receiver and antenna eliminates the need for external GPS in most installations
• Dual connectivity with both NMEA 0183 and NMEA 2000 interfaces for compatibility with any chart plotter or MFD
• FLEXI-FIT bracket system enables quick, secure installation without screws
• Ultra-low power consumption at just 1.6W average (135mA at 12V)
• IPx6 and IPx7 waterproof rating protects against water spray and submersion
• Ruggedized construction withstands shock, vibration, temperature extremes, and marine environments
• Compact dimensions: 150mm x 115mm x 45mm (5.9" x 4.5" x 1.8")
• Silent mode function allows transmit-off operation when needed
• USB port provides virtual COM port for NMEA 0183 data connection to PC

Technical Specifications:

• Supply voltage: 12V or 24V DC (9.6V - 31.2V DC range)
• Operating temperature: -25°C to +55°C
• Complies with IEC 62287-1 Ed. 3 and ITU-R M.1371.5 AIS standards
• Supports GPS, GLONASS, BeiDou, and Galileo satellite systems
• Two AIS receivers and one 5W transmitter
• SO-239 VHF antenna connector, TNC GNSS connector

The B951 includes the transceiver unit, 2-meter power and data cable, FLEXI-FIT mounting bracket with screws and optional fixing tape. This Class B AIS transceiver delivers reliable, professional-grade performance for sailing vessels, motor cruisers, RIBs, and all recreational and commercial craft requiring enhanced vessel identification and collision avoidance capability.