em-trak B923 Class B AIS Transceiver w/VHF Splitter - 2W CSTDMA

Enhance your marine navigation and safety with the B923 Class B AIS Transceiver, a compact and lightweight solution designed for boaters seeking reliable and efficient AIS performance. With its integrated VHF splitter and low power consumption, the B923 ensures you stay connected and informed on the water.

As the FCC requires all units sold in the US to be programmed by a qualified technician, please submit the form below for programming at the time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.

Click here to download the programming form.

Product Features

The B923 is a 2W CSTDMA AIS Class B transceiver that delivers advanced AIS performance, ensuring you can see all information and targets even at maximum range. Designed for optimal efficiency, it boasts the lowest power consumption in its class, making it an ideal choice for extended voyages.

Equipped with an integrated VHF antenna splitter, the B923 seamlessly shares your existing VHF antenna without any loss of performance. Its quick and simple installation is facilitated by the built-in intelligent connectivity, which includes an integrated next-generation GPS receiver and antenna, as well as em-trak's unique FLEXI-FIT® bracket system. This ensures you can get up and running in no time.

Connectivity is made effortless with dual NMEA2000 & 0183 ports, serial ports, USB, and optional Wi-Fi and Bluetooth, allowing easy integration with tablets, PCs, displays, and other navigation devices.

Key Features:

• Certified AIS Class B – 2W CSTDMA
• Integrated VHF antenna splitter
• Global certification: USCG, FCC, Canada, Europe
• SRT-AIS™ Transceiver Engine for proven high performance
• FLEXI-FIT™ bracket system for easy and secure installation
• Internal high-performance GPS receiver and antenna (external antenna optional)
• Water, pressure spray, and damp proof (IPx6, IPx7 certified)
• Protected from vibration, shock, and extreme temperatures
• Small and lightweight design
• Ultra-low power consumption – best in class
• Guaranteed connectivity and interoperability with any chart plotter or PC
• NMEA 0183 & NMEA 2000 compatibility
• Automated health and performance monitoring
• Silent mode (transmit-off) function
• Enhanced RF screening to protect against electromagnetic interference
• Built-in power surge protection
• Fail-safe VHF radio operation

Physical & Environmental Specifications

Electrical Specifications

Connectors

• VHF Antenna: SO-239
• VHF Radio: SO-239
• GNSS: TNC
• Power: 12-way circular multipole
• NMEA 2000: 5-way Micro-C connector
• USB: USB Micro-B

Data Interfaces

• NMEA 0183: 2 bi-directional ports
• NMEA 2000: NMEA 2000 Ed 3.101, LEN=1
• USB: PC virtual com port for NMEA 0183 data

Standards Compliance

• AIS Standards: IEC 62287-1 Ed. 3, 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 Specifications

• Supported Systems: 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: 26 seconds

VHF Transceiver Specifications

• VDL Access Scheme: CSTDMA
• Operating Frequency: 156.025 MHz - 162.025 MHz
• Channel Bandwidth: 25 kHz
• Receivers/Transmitters: 2 receivers, 1 transmitter
• AIS Receiver Sensitivity (20% PER): -111 dBm
• AIS Transmitter Power: 2W (+33 dBm)

User Interface

• Indicators: Power, transmit timeout, error, silent mode

In the Box

• 1 x AIS Transceiver
• 1 x Power and Data Cable (2M)
• 1 x FLEXI-FIT™ Mounting Bracket
• Complete with Screws & Optional Fixing Tape

Specifications

Quick Guide (PDF)

Brochure (PDF)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.