B924 EM TRAK Class B2W/CS

B924 EM TRAK B923 B294 Class B AIS Transceiver 2W CSTDMA with Integrated Splitter

B924 Class B AIS Transceiver 2W CSTDMA WiFi & Bluetooth Integrated Splitter

B924 EM TRAK B923 Class B AIS Transceiver 2W CSTDMA with Integrated SplitterThe B923 is a standard power (2W CSTDMA) 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.


B924 EM TRAK B923 Class B AIS Transceiver 2W CSTDMA with Integrated SplitterThe B924 combines WiFi & Bluetooth for seamless wireless connectivity and AIS data streaming to any mobile device or PC as well as an integrated VHF antenna splitter which enables the transceiver to share your existing VHF antenna without any loss of performance. With built in intelligent connectivity, integrated next-generation GPS receiver and antenna and a unique FLEXI-FIT® bracket system, safe and secure installation is simple.

B924 Class B AIS Transceiver Features

  • Certified AIS Class B – 2W CSTDMA
  • Plug & Play Connectivity – WiFi & Bluetooth
  • Integrated high performance zero loss 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
  • Internal high-performance GPS receiver and 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

B924 Class B AIS Transceiver Technical specification

Size – 150mm x 110mm
Weight – 370g

Power Supply – 12-24V DC
Power Consumption
WiFi & Bluetooth on – 3.35W (280mA @ 12V) B924 EM TRAK
WiFi & Bluetooth off – 2.95W (245mA @ 12V)

Physical Data Interfaces
NMEA0183 (2)

VHF Antenna Output – SO239
VHF Radio Input – SO239
GPS Antenna – TNC
NMEA2000 – Standard 5 Way Micro-C Connector
Power/NMEA0183 – 12 Way Circular Multipole
USB – Micro USB

AIS Standards – IEC62287-1 Ed 3
Product Safety Standards – EN60950-1
Environmental Standard – IEC60945 Ed 4 B924 EM TRAK

Access Scheme – CSTDMA
Operating Frequency Range – 156MHz to 163MHz
AIS Receiver Sensitivity – -111dBm
AIS Transmit Power – 2W (+33dBm)

Channels – 72
GPS Type & Performance – GPS/Galileo + GLONASS or BEIDOU

Category – Exposed
Water Proofing – IPx6 & IPx7
Operating Temperature – -25°C to +55°C

VHF Radio Transmit Path Loss – <1dB
Receive Path Loss – 0dB
Path Switching Time – < 10us VHF Radio Path Rating > 25W
Path on Power Failure – VHF to Antenna
Antenna Fault Detection – Yes B924 EM TRAK
Switch Type – Solid state

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 B924 EM TRAK



Full EM Trak Range : Em-trak Brochure 2020

B924 Product Brochure:  Em-trak Product_Datasheet_B924


External Links

EM TRAK Home Page: www.em-trak.com

Need more help then please contact us for advise and information regarding EM-TRAK AIS or any other products.

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Weight1000 g
Dimensions20 × 20 × 20 mm


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