- Certified AIS Class B – 5W SOTDMA
- Global Certification – USCG / FCC / Canada / Europe
- Plug & Play connectivity
- FLEXI-FIT™ bracket system for easy, convenient and secure installation
- Integrated high-performance GPS receiver and antenna (external antenna optional)
- Water, pressure spray and damp proof (IPx6 & IPx7)
- Ruggedized – Protected from vibration, shock and extreme temperatures
- Small and lightweight
- Ultra-low power consumption – best in class
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
Em-Trak B951 Class B AIS (GPS Bundle)
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The B951 is a high power (5W SOTDMA) Class B transceiver, delivering advanced performance and ultimate reliability through em-trak’s next-gen technology. Small and durable, this trusted transceiver processes all AIS transmissions in real-time, with increased range and transmission priority so you always have the complete picture and the time to respond, even in the busiest waters.
em-trak’s flexible, intelligent connectivity means the B951 can be paired to any chart-plotter and its next-gen GPS receiver and antenna is already integrated inside the device to provide best-in-class, ultra low power consumption and performance. em-trak’s unique FLEXI-FIT® bracket system completes the package and ensures easy installation.
- Physical and Environmental Specifications:
- Size (w x h x d) – 150 x 115 x 45mm
- Weight – 375g
- Operating temperature – -25°C to +55°C
- Storage temperature – -25°C to +70°C
- Ingress protection – IPx6 and IPx7
- Electrical Specifications:
- Supply voltage – 12V or 24V DC
- Supply voltage range – 9.6V – 31.2V DC
- Average current (at 12V) – 135mA
- Peak current – 2.5A
- Average power consumption (at 12V) – 1.6W
- Galvanic isolation – NMEA 0183 inputs only, NMEA 2000, VHF antenna port
- Connectors:
- VHF antenna – SO-239
- GNSS – TNC
- Power/NMEA 0183/silent mode – 12 way circular multipole
- NMEA 2000 – 5 way Micro-C connector
- USB – USB Micro-B
- Data Interfaces:
- NMEA 0183 – 2 x bi-directional ports
- NMEA 2000 – NMEA 2000 Ed 3.101, LEN=1
- USB – PC virtual com port for NMEA 0183 data
- Standards Compliance:
- AIS standards – IEC 62287-2 Ed. 2, ITU-R M.1371.5
- Product safety standards – EN60950-1 2006 +A11:2009 +A1:2010 +A12:2011 +A2:2013 EN62311:2008
- Environmental standards – IEC 60945 Ed. 4
- Serial data interface standards – IEC 61162-1 Ed 5.0, IEC 61162-2 Ed 1.0
- NMEA 2000 – NMEA 2000 Ed 3.101
- GNSS performance standards – IEC 61108-1 Ed 2.0, IEC 61108-02 Ed 1.0
- GNSS:
- Systems supported – GPS, GLONASS, BeiDou, Galileo (two of any combination, three including GPS, Galileo)
- Channels – 72
- Internal/external antenna – Internal or optional external antenna
- Time to first fix from cold start – 26s
- VHF Transceiver:
- VDL access scheme – SOTDMA
- Operating frequency – 156.025MHz – 162.025MHz
- Channel bandwidth – 25kHz
- Receivers/transmitters – 2 x receivers, 1 x transmitter
- AIS receiver sensitivity (20% PER) – -111dBm
- AIS transmitter power – 5W (+37dBm)
- User Interface:
- Indicators – Power, transmit timeout, error, silent mode
- 1 x AIS Transceiver
- 1 x Power and Data Cable (2m)
- 1 x FLEXI-FIT Mounting Bracket – Complete with Screws & Optional Fixing Tape
- 1 x GPS antenna GPS100 with 10m cable and TNC connector
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