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Home » Shop » Marine Radios » EM-TRAK B923 Class B AIS Transceiver with VHF Antenna Splitter

EM-TRAK B923 Class B AIS Transceiver with VHF Antenna Splitter

Original price was: $459.60.Current price is: $328.79.

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SKU: 430-0005 Category:
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Class B 2 W CSTDMA AIS transceiver with an integrated VHF antenna splitter for sharing the existing antenna with the radio.

The EM-TRAK B923 transmits the vessel identity, position, course and speed and receives nearby AIS targets. GPS and its antenna are integrated; navigation equipment can be connected through NMEA 2000, NMEA 0183 or USB. This version does not include Wi-Fi or Bluetooth.

Key benefits

  • Integrated VHF splitter: shares a suitable VHF antenna between AIS and radio through the two SO-239 connectors.
  • Navigation integration: NMEA 2000 Micro-C, NMEA 0183 and Micro-USB for a chartplotter, PC or other compatible equipment.
  • Protected installation: FLEXI-FIT bracket, integrated GPS and IPX6/IPX7 protection.

Compatibility and installation

Connect to a chartplotter or display that accepts AIS data through NMEA 2000 or NMEA 0183, or to a computer through USB. Splitter installation requires a VHF antenna suitable for 156 and 162 MHz, cable terminated with PL-259 and a VHF radio with a coaxial connection. Check the onboard network, available cabling and the distance to the antenna and radio before ordering.

Technical specifications
Model / SKU B923 / 430-0005
Class and transmit power 2 W Cstdma
Antenna splitter Integrated VHF
Wireless connectivity No
Interfaces NMEA 2000, NMEA 0183 and Micro-USB
Supply 12–24 V DC; 9.6–31.2 V maximum range
Average draw at 12 V 245 mA / 2.95 W
Peak current 2.5 A
Dimensions 149 × 118 × 47 mm
Weight 345 g
VHF antenna SO-239; SO-239 radio connector
External GPS antenna TNC; optional
Protection IPX6 and IPX7
Operating temperature −25 to 55 °C