B953 5W Class B AIS

The B900 series represents a versatile collection of AIS transceivers engineered to integrate effortlessly into any type of vessel, ranging from small leisure boats to substantial offshore cruisers. Using em-trak’s foundational technology and constructed for real-world environments, the B900 Series ensures consistently robust AIS performance, providing you with a comprehensive understanding of your surroundings, whether inshore or offshore.

Each model within the B900 range is equipped with integrated high-performance GPS, FLEXI-FIT™ bracket mounting, and exceptionally low power consumption. Emphasizing reliability, user-friendliness, and global compliance, the B900 Series delivers the dependable AIS functionality you require, with options available to accommodate every budget and application.

PHYSICAL AND ENVIRONMENTAL SPECIFICATION
• 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

STANDARDS COMPLIANCE
• AIS standards – IEC 62287-1 Ed. 3. 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

ELECTRICAL SPECIFICATION
• Supply voltage – 12V or 24V DC
• Supply voltage range – 9.6V – 31.2V DC
• Average current (at 12V) – 135mA
• Peak current – 2A
• Galvanic isolation – NMEA 0183 inputs only, NMEA 2000, VHF antenna port

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

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

VHF TRANSCEIVER
• VDL access scheme – CSTDMA
• 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 – 2W (+33dBm)

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

USER INTERFACE
• Indicators – Power, transmit timeout, error, silent mode