B923 Class B AIS Transceiver with VHF Splitter - 2W CSTDMA
**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.**
Get the most from your on-the-water experience with the B923, a 2W CSTDMA AIS Class B transceiver. Small and lightweight, it delivers em-trak's advanced AIS performance to ensure you see all information and targets, even at maximum range, and with the lowest power consumption in its class.
The B923 is equipped with an integrated VHF antenna splitter, which enables your transceiver to share your existing VHF antenna without any loss of performance. It offers quick and simple installation, with built-in intelligent connectivity, including an integrated next-generation GPS receiver and antenna and em-trak's unique FLEXI-FIT® bracket system to get you up and running in no time at all. The dual NMEA2000 & 0183, coupled with serial ports, USB, optional Wi-Fi, and Bluetooth also make connecting to all your tablets, PCs, display, and navigation devices easy and simple.
Features:
- Certified AIS Class B – 2W CSTDMA
- Integrated 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 certified)
- Protected from vibration, shock, and extreme temperatures
- Small and lightweight
- Ultra-low power consumption – best in class
- Guaranteed connectivity and interoperability with any chart plotter or PC
- NMEA 0183 & NMEA 2000
- 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:
- Size (H x W x D): 150 x 115 x 45mm
- Weight: 415kg
- Operating temperature: -25°C to +55°C
- Storage temperature: -25°C to +70°C
- Ingress protection: IPx6 and IPx7
Electrical Specifications:
- Supply voltage: 12V or 24V DC
- Supply voltage range: 9.6V - 31.2V DC
- Average current (at 12V): 245mA
- Peak current: 2A
- Average power consumption (at 12V): 2.9 W
- Galvanic isolation: NMEA 0183 inputs only, NMEA 2000, VHF antenna port
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 x 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:
- Systems supported: 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 the cold start: 26s
VHF Transceiver:
- VDL access scheme: CSTDMA
- Operating frequency: 156.025MHz - 162.025MHz
- Channel bandwidth: 25kHz
- Receivers/transmitters: 2 x receivers, 1 x transmitter
- AIS receiver sensitivity (20% PER): -111dBm
- AIS transmitter power: 2W (+33dBm)
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:
- AIS Class: B
- Antenna Included: Yes
- Display Included: No
- Function: Receive/Transmit
- GPS Included: Yes
- Box Dimensions: 6"H x 7"W x 8"L WT: 2.25 lbs
- UPC: 672975210526
Quick Guide (pdf)
Brochure (pdf)
