Em-Trak B924 Class B 2W AIS Transceiver with Wi-Fi, BT, and VHF Splitter

The most feature-rich 2W CSTDMA AIS transceiver in the B900 range. The B924 includes WiFi & Bluetooth for seamless wireless connectivity and AIS data streaming to any mobile device, PC or wearable, with an integrated VHF antenna splitter to enable your transceiver to share your existing VHF antenna without any loss of performance. Like all B900 transceivers, it also includes an integrated next-generation GPS receiver and antenna and is designed for em-trak's unique FLEXI-FIT® bracket system to make installation as easy as possible.

Exceptionally light-weight and completely weatherproof, the B924 delivers the very best (2W) AIS receive and transmit performance so you see all AIS information and targets, even at maximum range. Your transceiver will also work with our CONNECT-AIS mobile phone app to make programming, configuration and transceiver health monitoring simple and convenient.

FEATURES

• Certified AIS Class B – 2W CSTDMA
• Integrated WiFi and Bluetooth
• 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 app, chart plotter, smart phone, tablet 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

PHYSICAL & ENVIRONMENTAL SPECIFICATION

Size (H x W x D) 150 x 115 x 45mm

Weight 425g

Operating temperature -25°C to +55°C

Storage temperature -25°C to +70°C

Ingress protection IPx6 and IPx7

ELECTRICAL SPECIFICATION

Supply voltage 12V or 24V DC

Supply voltage range 9.6V - 31.2V DC

Average current (at 12V) 280mA

Average current (at 12V) (wireless off) 245mA

Peak current 2A

Average power consumption (at 12V) 3.4W

Average power consumption (at 12V) (wireless off) 2.9W

Galvanic isolation NMEA 0183 inputs only, NMEA 2000, VHF antenna port

CONNECTORS

VHF antenna SO-239

VHF radio SO-239

GNSS TNC

Power/NMEA 0183/silent mode 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

WiFi IEEE 802.11 (a/b/g), client and access point mode supported (2 connections in access point mode)

Bluetooth BT Classic 4.0, 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

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 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