em-trak B924 Class B AIS Transceiver w/WiFi, Bluetooth VHF Antenna Splitter - 2W CSTDMA

The B924 Class B AIS Transceiver is the pinnacle of the B900 series, offering unparalleled 2W CSTDMA performance tailored for marine and boating enthusiasts. Featuring seamless WiFi and Bluetooth connectivity, this transceiver ensures your AIS data is effortlessly streamed to your mobile devices, PCs, or wearables. With an integrated VHF antenna splitter, the B924 allows you to share your existing VHF antenna without compromising performance. Designed with em-trak's innovative FLEXI-FIT® bracket system, installation is quick and hassle-free, making the B924 the ideal choice for reliable and efficient AIS communication on the water.

FCC Programming Requirement

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.

Key Features

• Certified AIS Class B – 2W CSTDMA
• Integrated WiFi and Bluetooth for wireless connectivity
• Built-in VHF antenna splitter for shared antenna use
• Global certifications: USCG, FCC, Canada, Europe
• SRT-AIS™ Transceiver Engine ensures top-tier performance
• FLEXI-FIT™ bracket system for easy and secure installation
• Advanced GPS receiver with optional external antenna
• IPx6 and IPx7 certified for water and weather resistance
• Resistant to vibration, shock, and extreme temperatures
• Compact and lightweight design
• Ultra-low power consumption for efficiency
• Guaranteed compatibility with any app, chart plotter, smartphone, tablet, or PC
• NMEA 0183 & NMEA 2000 supported
• Automated health and performance monitoring
• Silent mode feature for transmit-off functionality
• Enhanced RF screening against electromagnetic interference
• Built-in power surge protection

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
• WiFi: IEEE 802.11 (a/b/g), supports client and access point modes (2 connections in access point mode)
• Bluetooth: BT Classic 4.0, supports 7 concurrent connections

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 Capabilities

• Supported Systems: GPS, GLONASS, BeiDou, Galileo (any two combination, three including GPS or Galileo)
• Channels: 72
• Antenna Options: Internal or optional external antenna
• Time to First Fix (Cold Start): 26 seconds

VHF Transceiver Specifications

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

User Interface

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

What's Included

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

Additional Specifications

Downloads

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.