The B951, from Em-Trak, is a high transmit power (5W SOTDMA) Class B AIS transceiver that is small and lightweight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the lowest power consumption. With built-in intelligent connectivity, integrated next generation GPS receiver & antenna and a unique FLEXI-FIT™ bracket system, safe and secure installation is simple.
See features and technical data for more details.
- Certified AIS Class B – 5W SOTDMA
- Global certification - USCG / FCC / Canada / Europe
- SRT-AIS™ Transceiver Engine for superlative proven performance
- FLEXI-FIT™ bracket system for easy, convenientand secure installation
- Internal high-performance GPS receiver and antenna (external antenna optional)
- Water, pressure spray and damp proof (IPx6, IPx7 certified)
- Protected from vibration, shock and extreme temperatures
- Small and lightweight
- Ultra-low power consumption – best in class
- NMEA 0183 & NMEA 2000
- Automated health and performance monitoring
- Silent mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
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PHYSICAL & ENVIRONMENTAL SPECIFICATION
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Size (H x W x D)
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150 x 115 x 45mm
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Weight
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375g
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Operating temperature
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-25°C to +55°C
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Storage temperature
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-25°C to +70°C
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Ingress protection
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IPx6 and IPx7
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ELECTRICAL SPECIFICATION
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Supply voltage
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12V or 24V DC
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Supply voltage range
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9.6V - 31.2V DC
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Average current (at 12V)
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135mA
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Peak current
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2.5A
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Average power consumption(at 12V)
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1.6W
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Galvanic isolation
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NMEA 0183 inputs only,NMEA 2000, VHF antenna port
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CONNECTORS
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VHF antenna
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SO-239
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GNSS
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TNC
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Power/NMEA 0183/silent mode
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12 way circular multipole
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NMEA 2000
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5 way Micro-C connector
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USB
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USB Micro-B
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DATA INTERFACES
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NMEA 0183
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2 x bi-directional ports
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NMEA 2000
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NMEA 2000 Ed 3.101, LEN=1
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USB
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PC virtual com port forNMEA 0183 data
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STANDARDS COMPLIANCE
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AIS standards
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IEC 62287-2 Ed. 2ITU-R M.1371.5
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Product safety standards
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EN60950-1 2006 +A11:2009 +A1:2010 +A12:2011 +A2:2013 EN62311:2008
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Environmental standards
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IEC 60945 Ed. 4
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Serial data interface standards
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IEC 61162-1 Ed 5.0IEC 61162-2 Ed 1.0
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NMEA 2000
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NMEA 2000 Ed 3.101
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GNSS performance standards
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IEC 61108-1 Ed 2.0IEC 61108-02 Ed 1.0
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GNSS
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Systems supported
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GPS, GLONASS, BeiDou, Galileo(two of any combination, three including GPS, Galileo)
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Channels
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72
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Internal/external antenna
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Internal or optional external antenna
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Time to first fix from cold start
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26s
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VHF TRANSCEIVER
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VDL access scheme
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SOTDMA
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Operating frequency
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156.025MHz - 162.025MHz
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Channel bandwidth
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25kHz
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Receivers/transmitters
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2 x receivers, 1 x transmitter
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AIS receiver sensitivity (20% PER)
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-111dBm
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AIS transmitter power
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5W (+37dBm)
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USER INTERFACE
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Indicators
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Power, transmit timeout, error,silent mode
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1 x AIS transceiver
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1 x Power and data cable (2M)
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1 x FLEXI-FIT™ mounting bracket
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Complete with screws & optional fixing tape
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