Em-Trak B921 Class B AIS Transceiver 2W CSTDMA

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em-trak Em-Trak B921 Class B AIS Transceiver 2W CSTDMA

Item: 430-0001

MPN: 430-0001

Enhance your on-the-water experience with the B900 series – a market leading range of standard and high transmit power AIS Class B transceivers designed for real-world conditions. Small, lightweight, and built to last, every product in the range delivers em-trak's advanced performance and ultimate connectivity – giving you the complete picture and the time to respond. With easy installation and connectivity options, the B900 series offers flexible, wireless or wired usage, helping you to get the most from your transceiver and related onboard equipment every day.

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Product 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.

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Features
Technical specifications
In the box
Features

Features

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

Technical specifications

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