Em-Trak B922 (Wi-Fi and BT) Class B 2W AIS Transceiver

The B922 is a 2W CSTDMA Class B AIS transceiver, offering unmatched performance and ultra-low power consumption through em-trak's advanced technology. Small and light-weight, it combines integrated WiFi & Bluetooth capabilities for seamless wireless connectivity and AIS data streaming, compatible with any mobile device or PC.

Its flexible connectivity means it can be used by up to nine different devices simultaneously, ensuring everyone on board gets the most from your transceiver and related onboard equipment every day. The B922 transceiver also works seamlessly with em-trak's CONNECT-AIS app to make programming, configuration and device monitoring easier than ever before.

Like all products in the class-leading B900 range, the B922 is engineered to deliver real-time data processing, even at the range limit. It is easy to install with em-trak's unique FLEXI-FIT 'no screw' bracket system, and will operate without maintenance for years to come.

FEATURES

• Certified AIS Class B – 2W CSTDMA
• Integrated WiFi and Bluetooth
• 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 385g

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) 170mA

Average current (at 12V) (wireless off) 135mA

Peak current 2A

Average power consumption (at 12V) 2.0W

Average power consumption (at 12V) (wireless off) 1.6W

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

CONNECTORS

VHF antenna 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