DESCRIPTION
 
The B954 is a high transmit power (5W SOTDMA) AIS Class B transceiver that is small, light-weight, 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 least power consumption.

The B954 combines WiFi & Bluetooth for seamless wireless connectivity and AIS data streaming to any mobile device or PC as well as a high performance integrated VHF antenna splitter which enables the transceiver to share your existing VHF antenna without any loss of performance. Your transceiver comes with CONNECT-AIS - your programming, configuration and transceiver health monitoring app which can be easily downloaded from either the iOS Apple Store or Google Play.

With built in intelligent connectivity, integrated next generation GPS receiver & antenna and a unique FLEXI-FIT bracket system, safe and secure installation is simple.
 
FEATURES
 
Certified AIS Class B – 5W CSTDMA
Plug & play connectivity – WiFi and Bluetooth
Integrated high performance VHF antenna splitter
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 Certified)
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
 
IN THE BOX
 
1 x AIS Transceiver
1 x Power and Data Cable (2m)
1 x VHF Radio Accessory Cable (1m)
1 x FLEXI-FIT Mounting Bracket – Complete with Screws & Optional Fixing Tape
 
TECHNICAL SPECIFICATION
 
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h x d) – 150 x 115 x 45mm
Weight – 425g
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) – 280mA
Average current (at 12V) (wireless off) – 280mA
Peak current – 2.5A
Average power consumption (at 12V) – 3.4W
Average power consumption (at 12V) (wireless off) – 2.9W
Galvanic isolation – NMEA 0183 inputs only, NMEA 2000, VHF antenna port
 
CONNECTORS
VHF antenna – SO-239
VHF radio – 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
Wi-Fi – IEEE 802.11 (a/b/g), client and access point mode supported (2 connections in access point mode)
Bluetooth – BT Classic 4.0, 7 concurrent connections
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