em-trak B953 Class B AIS Transceiver - 5W SOTDMA w/VHF Antenna Splitter

em-trak B953 is a Class B AIS transceiver with 5W SOTDMA transmit power and an integrated VHF antenna splitter. It is built for vessels that need AIS transmit and receive capability while sharing an existing VHF antenna.

The unit includes built-in GPS, NMEA connectivity, USB, automated monitoring, and a silent transmit-off function. US units must be programmed by a qualified technician, with MMSI registration or an FCC Ship Station License and the vessel master or owner signature required.

• AIS Class B transceiver with 5W SOTDMA
• Integrated VHF antenna splitter
• Global certification: USCG, FCC, Canada, and Europe
• SRT-AIS transceiver engine
• FLEXI-FIT bracket system
• Internal GPS receiver and antenna; external antenna optional
• Ingress protection: IPx6 and IPx7
• Protected from vibration, shock, and extreme temperatures
• Supports NMEA 0183 and NMEA 2000
• Silent mode transmit-off function
• Built-in power surge protection and fail-safe VHF radio operation
• Size: 150 x 115 x 45mm
• Weight: 415kg
• Operating temperature: -25°C to +55°C
• Storage temperature: -25°C to +70°C
• Supply voltage: 12V or 24V DC
• Supply voltage range: 9.6V to 31.2V DC
• Average current at 12V: 245mA
• Peak current: 2.5A
• Average power consumption at 12V: 2.9W
• Connectors: SO-239 VHF antenna, TNC GNSS, 12-way circular multipole power, 5-way Micro-C NMEA 2000, USB Micro-B
• NMEA 0183: 2 bi-directional ports