EM-TRAK Class B AIS Transeiver 2W

Description

The B921 is a 2W CSTDMA Class B AIS transceiver, delivering em-trak’s advanced performance and reliability through next-gen technology. Small and durable, this trusted transceiver processes all AIS transmissions in real-time, even at range limit, so you always have the complete picture and the time to respond.

em-trak’s intelligent connectivity means the B921 can be connected to any chart-plotter and comes equipped with integrated GPS technology and best-in-class, ultra-low power consumption. Installation is also simplified with our unique FLEXI-FIT® bracket system to have you up and running in no time at all.

• Certified AIS Class B – 2W CSTDMA
• Global Certification – USCG / FCC / Canada / Europe
• SRT-AIS™ transceiver engine for superlative proven performance
• FLEXI-FIT™ bracket system for easy, convenient and secure installation
• Integrated high-performance GPS receiver & 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

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

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

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 62287-1 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

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 – 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)

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