EM TRAK B400 AIS Class B 5W transponder IP67

EM TRAK B400 AIS Class B 5W transponder IP67 - Certified, water & weather proof, AIS Class B transceiver increased range and reporting frequency

EM TRAK B400 AIS Class B

The em-trak B400 AIS Class B is a high powered ruggedized AIS transceiver.  As a result making ideally suited for offshore and professional mariners who demand superior performance, functionality and reliability.

The EM TRAK B400 transmits at a higher power (5W instead of 2W), significantly more frequently and using the prioritised SOTDMA radio transmission protocol. This, combined with HF-AIS technology translates into enhanced operational performance.

The EM TRAK B400 is certified IP67 water and weather proof and benefits from ruggedized construction.  Therefore it able to be installed and operate continuously outside in even the most hostile and extreme conditions. This subsequently makes it an extremely reliable. The integrated full colour hi-resolution display supports CMAP ENC (SD-CARD) charting. Moreover the B400 has multiple display modes and an array of simple to use but powerful functionality.  Such as AIS target management, filters, proximity alerts, MOB/SART alert and tracking, race mode, real time weather display, and much more.

The B400 is exceptionally power efficient and easily installed and configured using the simple on screen menu. Connectivity includes dual NMEA0183 and NMEA2000 to enable connection to third party systems, and of course long range WiFi with no external antennas.


  • Certified 5W SOTDMA AIS Class B transceiver
  • Integrated colour display and CMAP charting
  • Ruggedized, IP67 water and weather proof
  • MOB-SAR alert & track mode
  • Transmit off mode
  • Extensive AIS data and target functionality

External Links

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

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Weight1000 g
Dimensions20 × 20 × 20 mm
Power Supply

12V, 24V DC

Power Consumption



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