em-trak B400 AIS Class B SOTDMA

Designed for serious sailors and commercial applications, the B400 is a self-contained, fully integrated plug-and-play unit. Suitable for internal or external installation, it has been certified weather and waterproof, and offers a integrated colour display to remove the need for additional screens. Easy to install and use, the B400 can be integrated with all common bridge systems, as well as offering a full range of advanced AIS functionality including alerts, target filters, vessel information lists, real time weather updates and more.

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PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h x d) – 152 x 165 x 95mm
Weight – 1.1kg
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) – 480mA
Peak current – 4A
Average power consumption (at 12V) – 5.8W
Galvanic isolation – NMEA 0183, NMEA 2000, Power supply, VHF antenna port

CONNECTORS
VHF antenna – SO-239
GNSS – TNC
Power – 2 way circular multipole
NMEA 0183/silent mode – 14 way circular multipole
NMEA 0183/alarm relay – 18 way circular multipole
NMEA 2000 – 5 way Micro-C connector

DATA INTERFACES
NMEA 0183 – 3 x input ports. 3 x bi-directional ports
NMEA 2000 – NMEA 2000 Ed 3.101, LEN=1
Wi-Fi – IEEE 802.11 (a/b/g), client and access point mode supported (5 connections in access point mode)

STANDARDS COMPLIANCE
AIS standards – IEC 62287-2 Ed. 2.  ITU-R M.1371.5
Product safety standards – EN60950-1 2006 +A11:2009 +A1:2010 +A12:2011 +A2:2013
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 – External only
Time to first fix from cold start – 26s

VHF TRANSCEIVER
VDL access scheme – SOTDMA
Operating frequency – 156.025MHz – 162.025MHz
Channel bandwidth – 25kHz
Receivers/transmitters – 3 x receivers, 1 x transmitter
AIS receiver sensitivity (20% PER) – -111dBm
AIS transmitter power – 5W (+37dBm)

USER INTERFACE
Screen – 5″ 800 x 480 full colour LCD
Buttons – Rotary encoder for selection and entry, 4 menu keys and 4 direction keys
SD card interface – Micro SD card interface for logging and chart cards (not available from em-trak)

GNSS ANTENNA
Size –  85 x 70mm
Weight – 470g
Ingress protection – IPx6 and IPx7
Mounting – 1 inch 14 TPI pole mount required
GNSS systems supported – GPS, GLONASS, Galileo, BeiDou