em-trak B953 class B AIS transponder has high 5W transmission power and SOTDMA 1st priority on the AIS band. The B953 is small and light, yet delivers the very best AIS receive and transmit performance, allowing you to see more AIS information and targets at maximum range - all achieved with the lowest power consumption.
B953 a high performance integrated VHF antenna splitter that allows the transponder to split your existing VHF antenna without loss of performance.
With built-in intelligent connection, integrated 2nd generation GPS receiver and antenna and unique FLEXI-FIT™ mounting system, installation is safe and simple.

Overview:

Certified AIS class B - 5W SOTDMA
Integrated VHF antenna splitter
Global certification - USCG / FCC / Canada / Europe
SRT-AIS™ Transceiver Engine proven unmatched performance
FLEXI-FIX™ bracket system for easy, practical and safe installation
Internal high-performance GPS receiver and antenna (external antenna optional)
Water, pressure and moisture proof (IPx7 & IPx6 certified)
Protected against vibrations, shocks and extreme temperatures
Small and light
Ultra-low power consumption - best in class
NMEA0183 & NMEA2000
Automated health and performance monitoring
Silent Mode (transmit-off) function
Improved RF screening to protect against electromagnetic interference
Built-in protection against overvoltage
PHYSICAL SPECIFICATION:

Size 150 X 110 mm
Weight 360g
ELECTRICAL SPECIFICATION:

Power Supply 12 - 24v Dc
Power Consumption 2.95W (245mA @ 12V)
Galvanic Isolation NMEA0183 Inputs Only
CONNECTORS:

VFF Antenna Output SO239
VHF Radio Input SO239
GNSS Antenna TNC
Standard 5 Way NMEA2000 Micro Connector
Power/NMEA0183 12 Way Circular Multipole
USB Micro B
DATA INTERFACES:

Physical Data Interfaces NMEA0183 (2), NMEA2000, and USB -
STANDARDS COMPLIANCE:

AIS Standards IEC62287-1 ED 3, ITU-R M.1371-5,
Product Safety Standards EN60950-1 2006 +A11:2009
+A1:2010 +A12:2011 +A2:2013 EN62311:2008
CFR 47 PT1.1310 (2016)
Health Canada Safety Code 6
ARPANSA Radiation Protection Series No.3
Environmental Standard IEC60945 EDITION 4
Serial Data Interface Standards IEC61162-1 ED 5.0
IEC61162-2 ED 1.0
GNSS Performance Standards IEC61108-1 ED 2.0
IEC61108-02 ED 1.0
NMEA2000 Interface Standard NMEA2000 EDITION 3.101
VHF TRANSCEIVER:

Access Scheme SOTDMA
Operating Frequency Range 156MHz To 163MHz
AIS Receiver Sensitivity -111dBm
AIS Transmit Power 5W (+33dBm)
GNN'S RECEIVER & ANTENNA:

Channels 72
GNNS Type & Performance GPS/Galileo + GLONASS or BEIDOU
Environmental Standard:

Category Exposed
Water Proofing Ipx6 And Ipx7
Operating Temperature -25ºc To +55ºc
ANTENNA SPLITTER:

VHF Radio Transmit Path Loss < 1dB
Receive Path Loss 0dB
Path Switching Time 25W
Path On Power Failure VHF Two Antenna
Antenna Fault Detection Yes
Antenna Fault Detection Solid-state
IN THE BOX:

1 X AIS TRANSCEIVER
1 X POWER AND DATA CABLE (2M)
1 X VHF RADIO ACCESSORY CABLE
1 X FLEXI-FIT MOUNTING BRACKET
COMPLETE WITH SCREWS OR OPTIONAL FIXING TAPE
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