THE BEST AIS JUST GOT BETTER
NEW B900 SERIESClass B
Standard or high transmit power AIS Class B Transceivers I Delivering the very best AIS performance and connectivity I Built-in Intelligent Connectivity | Integrated VHF Antenna Splitter | WiFi & Bluetooth
The B900 series are a range of standard and high transmit power (2W CSTDMA & 5W SOTDMA) AIS Class B transceivers. Small and lightweight, they deliver the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
STANDARD PERFORMANCE
B921 Class B2W/CS
The B921 is a standard power (2W CSTDMA) AIS Class B transceiver that is small, light-weight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
With built-in intelligent connectivity, integrated next-generation GPS and the unique FLEXI-FIT® bracket system, safe and secure installation could not be easier.
£390.00
Global next day shipping
-
Features
- Certified AIS Class B – 2W CSTDMA
- Global Certification – USCG / FCC / Canada / Europe
- SRT-AIS™ transceiver engine for superlative proven performance
- FLEXI-FIT™ bracket system for easy, convenient and secure installation
- Integrated high-performance GPS receiver & antenna (external antenna optional)
- Water, pressure spray and damp proof – IPx6 & IPx7
- Ruggedized – protected from vibration, shock and extreme temperatures
- Small and lightweight
- Ultra-low power consumption – best in class
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
-
Technical specification
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h x d) – 150 x 115 x 45mm
Weight – 375g
Operating temperature – -25°C to +55°C
Storage temperature – -25°C to +70°C
Ingress protection – IPx6 and IPx7ELECTRICAL SPECIFICATION
Supply voltage – 12V or 24V DC
Supply voltage range – 9.6V – 31.2V DC
Average current (at 12V) – 135mA
Peak current – 2A
Galvanic isolation – NMEA 0183 inputs only, NMEA 2000, VHF antenna portCONNECTORS
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-BDATA 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 dataSTANDARDS 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 1.0GNSS
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 – 26sVHF 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
-
Global Support & Warranty Service
With em-trak you can buy with confidence. If you are unhappy with your new product for any reason, within two days of receipt and subject to the product and packaging being complete and undamaged, you may return it to us for a full refund.
We are sorry, but we cannot accept the return of any product if you have not advised us in writing within 48 hours of receiving your em-trak product, or if it has been used and or damaged or if any of the package is incomplete. All em-trak products benefit from our three year global warranty.
In the unlikely event of a problem, please contact our Customer Support department (24/7) at [email protected] and one of our experts will work with you to resolve your issue or arrange the repair or replacement of your em-trak product. The warranty is invalidated if the product has been incorrectly used, damaged or tampered.
-
MANUALS
Accessories

GPS100 Accessory
GPS Antenna suitable for use with all em-trak Class A & B transceivers
£57.00
Global next day shipping
STANDARD PERFORMANCE
B922 Class B2W/CS
The B922 is a standard power (2W CSTDMA) AIS Class B transceiver that is small, light-weight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
The B922 combines WiFi & Bluetooth for seamless wireless connectivity and AIS data streaming to any mobile device or PC. Your transceiver comes with CONNECT-AIS - your programming, configuration and transceiver health monitoring app which can be easily downloaded from either the iOS Apple Store or Google Play. The B922 is engineered with the most advanced core technology to deliver the very best AIS data and information, enabling it to be used by up to 9 different devices simultaneously.
All of this is delivered within a compact, easy to install, rugged package designed and manufactured to operate reliably without maintenance in harsh marine environments.
£546.00
Global next day shipping
-
Features
- Certified AIS Class B – 2W CSTDMA
- Plug & play connectivity – WiFi & 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
- Integrated high-performance GPS receiver & antenna (external antenna optional)
- Water, pressure spray and damp proof – IPx6 & IPx7
- Ruggedized – 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
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
-
Technical specification
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h 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 IPx7ELECTRICAL 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 portCONNECTORS
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-BDATA INTERFACES
NMEA 0183 – 2 x bi-directional ports
NMEA 2000 – NMEA 2000 Ed 3.101, LEN=1
USB – PC virtual com port for NMEA0183 data
Wi-Fi – 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 connectionsSTANDARDS 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 1.0GNSS
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 – 26sVHF 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
-
Global Support & Warranty Service
With em-trak you can buy with confidence. If you are unhappy with your new product for any reason, within two days of receipt and subject to the product and packaging being complete and undamaged, you may return it to us for a full refund.
We are sorry, but we cannot accept the return of any product if you have not advised us in writing within 48 hours of receiving your em-trak product, or if it has been used and or damaged or if any of the package is incomplete. All em-trak products benefit from our three year global warranty.
In the unlikely event of a problem, please contact our Customer Support department (24/7) at [email protected] and one of our experts will work with you to resolve your issue or arrange the repair or replacement of your em-trak product. The warranty is invalidated if the product has been incorrectly used, damaged or tampered.
-
MANUALS
Accessories

GPS100 Accessory
GPS Antenna suitable for use with all em-trak Class A & B transceivers
£57.00
Global next day shipping
STANDARD PERFORMANCE
B923 Class B2W/CS
The B923 is a standard power (2W CSTDMA) AIS Class B transceiver that is small, light-weight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
The B923 has an integrated VHF antenna splitter which enables the transceiver to share your existing VHF antenna without any loss of performance. With built-in intelligent connectivity, integrated next-generation GPS receiver & antenna and the unique FLEXI-FIT® bracket system, safe and secure installation is simple.
£507.00
Global next day shipping
-
Features
- Certified AIS Class B – 2W CSTDMA
- Integrated high performance zero loss VHF antenna splitter
- Global Certification – USCG / FCC / Canada / Europe
- SRT-AIS™ transceiver engine for superlative proven performance
- FLEXI-FIX™ 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
- Ruggedized – 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
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
-
Technical specification
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h x d) – 150 x 115 x 45mm
Weight – 415g
Operating temperature – -25°C to +55°C
Storage temperature – -25°C to +70°C
Ingress protection – IPx6 and IPx7ELECTRICAL SPECIFICATION
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) – 2.9W
Galvanic isolation – NMEA 0183 inputs only, NMEA 2000, VHF antenna portCONNECTORS
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-BDATA INTERFACES
NMEA 0183 – 2 x bi-directional ports
NMEA 2000 – NMEA2000 Ed 3.101, LEN=1
USB – PC virtual com port for NMEA0183 dataSTANDARDS 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 1.0GNSS
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 – 26sVHF 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 VHF Radio Accessory Cable (1m)
- 1 x FLEXI-FIT Mounting Bracket – Complete with Screws & Optional Fixing Tape
-
Global Support & Warranty Service
With em-trak you can buy with confidence. If you are unhappy with your new product for any reason, within two days of receipt and subject to the product and packaging being complete and undamaged, you may return it to us for a full refund.
We are sorry, but we cannot accept the return of any product if you have not advised us in writing within 48 hours of receiving your em-trak product, or if it has been used and or damaged or if any of the package is incomplete. All em-trak products benefit from our three year global warranty.
In the unlikely event of a problem, please contact our Customer Support department (24/7) at [email protected] and one of our experts will work with you to resolve your issue or arrange the repair or replacement of your em-trak product. The warranty is invalidated if the product has been incorrectly used, damaged or tampered.
-
MANUALS
Accessories

GPS100 Accessory
GPS Antenna suitable for use with all em-trak Class A & B transceivers
£57.00
Global next day shipping
STANDARD PERFORMANCE
B924 Class B2W/CS
The B924 is a standard power (2W CSTDMA) AIS Class B transceiver that is small, light-weight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
The B924 combines WiFi & Bluetooth for seamless wireless connectivity and AIS data streaming to any mobile device or PC as well as an integrated VHF antenna splitter which enables the transceiver to share your existing VHF antenna without any loss of performance. Your transceiver comes with CONNECT-AIS - your programming, configuration and transceiver health monitoring app which can be easily downloaded from either the iOS Apple Store or Google Play.
With built in intelligent connectivity, integrated next-generation GPS receiver and antenna and a unique FLEXI-FIT® bracket system, safe and secure installation is simple.
£702.00
Global next day shipping
-
Features
- Certified AIS Class B – 2W CSTDMA
- Plug & Play Connectivity – WiFi & Bluetooth
- Integrated high performance zero loss 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
- Ruggedized – protected from vibration, shock and extreme temperatures
- Small and lightweight
- Ultra-low power consumption – best in class
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
-
Technical specification
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h x d mm) – 150 x 115 x 45
Weight – 425g
Operating temperature – -25°C to +55°C
Storage temperature – -25°C to +70°C
Ingress protection – IPx6 and IPx7ELECTRICAL 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 portCONNECTORS
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-BDATA INTERFACES
NMEA 0183 – 2 x bi-directional ports
NMEA 2000 – NMEA2000 Ed 3.101, LEN=1
USB – PC virtual com port for NMEA0183 data
Wi-Fi – 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 connectionsSTANDARDS 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 1.0GNSS
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 – 26sVHF 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 VHF Radio Accessory Cable (1m)
- 1 x FLEXI-FIT Mounting Bracket – Complete with Screws & Optional Fixing Tape
-
Global Support & Warranty Service
With em-trak you can buy with confidence. If you are unhappy with your new product for any reason, within two days of receipt and subject to the product and packaging being complete and undamaged, you may return it to us for a full refund.
We are sorry, but we cannot accept the return of any product if you have not advised us in writing within 48 hours of receiving your em-trak product, or if it has been used and or damaged or if any of the package is incomplete. All em-trak products benefit from our three year global warranty.
In the unlikely event of a problem, please contact our Customer Support department (24/7) at [email protected] and one of our experts will work with you to resolve your issue or arrange the repair or replacement of your em-trak product. The warranty is invalidated if the product has been incorrectly used, damaged or tampered.
-
Manual
Accessories

GPS100 Accessory
GPS Antenna suitable for use with all em-trak Class A & B transceivers
£57.00
Global next day shipping
HIGH PERFORMANCE
B951 Class B5W/SO
The B951 is a high transmit power (5W SOTDMA) AIS Class B transceiver that is small, light-weight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
With built in intelligent connectivity, integrated next generation GPS receiver & antenna and a unique FLEXI-FIX bracket system, safe and secure installation is simple.
£468.00
Global next day shipping
-
Features
- Certified AIS Class B – 5W SOTDMA
- Global Certification – USCG / FCC / Canada / Europe
- Plug & Play connectivity
- FLEXI-FIT™ bracket system for easy, convenient and secure installation
- Integrated high-performance GPS receiver and antenna (external antenna optional)
- Water, pressure spray and damp proof (IPx6 & IPx7)
- Ruggedized – Protected from vibration, shock and extreme temperatures
- Small and lightweight
- Ultra-low power consumption – best in class
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
-
Technical specification
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h x d) – 150 x 115 x 45mm
Weight – 375g
Operating temperature – -25°C to +55°C
Storage temperature – -25°C to +70°C
Ingress protection – IPx6 and IPx7ELECTRICAL SPECIFICATION
Supply voltage – 12V or 24V DC
Supply voltage range – 9.6V – 31.2V DC
Average current (at 12V) – 135mA
Peak current – 2.5A
Average power consumption (at 12V) – 1.6W
Galvanic isolation – NMEA 0183 inputs only, NMEA 2000, VHF antenna portCONNECTORS
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-BDATA 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 dataSTANDARDS 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 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 1.0GNSS
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 – 26sVHF TRANSCEIVER
VDL access scheme – SOTDMA
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 – 5W (+37dBm)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
-
Global Support & Warranty Service
With em-trak you can buy with confidence. If you are unhappy with your new product for any reason, within two days of receipt and subject to the product and packaging being complete and undamaged, you may return it to us for a full refund.
We are sorry, but we cannot accept the return of any product if you have not advised us in writing within 48 hours of receiving your em-trak product, or if it has been used and or damaged or if any of the package is incomplete. All em-trak products benefit from our three year global warranty.
In the unlikely event of a problem, please contact our Customer Support department (24/7) at [email protected] and one of our experts will work with you to resolve your issue or arrange the repair or replacement of your em-trak product. The warranty is invalidated if the product has been incorrectly used, damaged or tampered.
-
MANUAL
Accessories

GPS100 Accessory
GPS Antenna suitable for use with all em-trak Class A & B transceivers
£57.00
Global next day shipping
HIGH PERFORMANCE
B952 Class B5W/SO
The B952 is a high transmit power (5W SOTDMA) AIS Class B transceiver that is small, light-weight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
The B952 combines WiFi & Bluetooth for seamless wireless connectivity and AIS data streaming to any mobile device or PC. Your transceiver comes with CONNECT-AIS - your programming, configuration and transceiver health monitoring app which can be easily downloaded from either the iOS Apple Store or Google Play. With built in intelligent connectivity, integrated next generation GPS receiver & antenna and a unique FLEXI-FIT™ bracket system, safe and secure installation is simple.
£624.00
Global next day shipping
-
Features
- Certified AIS Class B – 5W SOTDMA
- Plug & play connectivity – WiFi & Bluetooth
- Global certification – USCG / FCC / Canada / Europe
- FLEXI-FIX™ bracket system for easy, convenient and secure installation
- Integrated high-performance GPS receiver and antenna (external antenna optional)
- Water, pressure spray and damp proof – IPx6 & IPx7
- Ruggedized – 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
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
-
Technical specification
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h 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 IPx7ELECTRICAL 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 – 2.5A
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 portCONNECTORS
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-BDATA 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
Wi-Fi – 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 connectionsSTANDARDS 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 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 1.0GNSS
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 – 26sVHF TRANSCEIVER
VDL access scheme – SOTDMA
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 – 5W (+37dBm)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
-
Global Support & Warranty Service
With em-trak you can buy with confidence. If you are unhappy with your new product for any reason, within two days of receipt and subject to the product and packaging being complete and undamaged, you may return it to us for a full refund.
We are sorry, but we cannot accept the return of any product if you have not advised us in writing within 48 hours of receiving your em-trak product, or if it has been used and or damaged or if any of the package is incomplete. All em-trak products benefit from our three year global warranty.
In the unlikely event of a problem, please contact our Customer Support department (24/7) at [email protected] and one of our experts will work with you to resolve your issue or arrange the repair or replacement of your em-trak product. The warranty is invalidated if the product has been incorrectly used, damaged or tampered.
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MANUAL
Accessories

GPS100 Accessory
GPS Antenna suitable for use with all em-trak Class A & B transceivers
£57.00
Global next day shipping
HIGH PERFORMANCE
B953 Class B5W/SO
The B953 is a high transmit power (5W SOTDMA) AIS Class B transceiver that is small, light-weight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
The B953 has an integrated VHF antenna splitter which enables the transceiver to share your existing VHF antenna without any loss of performance. With built in intelligent connectivity, integrated next generation GPS receiver & antenna and a unique FLEXI-FIT bracket system, safe and secure installation is simple.
£585.00
Global next day shipping
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Features
- Certified AIS Class B – 5W SOTDMA
- Integrated high performance zero loss VHF antenna splitter
- Global Certification – USCG / FCC / Canada / Europe
- FLEXI-FIT™ bracket system for easy, convenient and secure installation
- Integrated high-performance GPS receiver and antenna (external antenna optional)
- Water, pressure spray and damp proof – IPx6 & IPx7
- 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
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
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Technical specification
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h x d) – 150 x 115 x 45mm
Weight – 415g
Operating temperature – -25°C to +55°C
Storage temperature – -25°C to +70°C
Ingress protection – IPx6 and IPx7ELECTRICAL SPECIFICATION
Supply voltage – 12V or 24V DC
Supply voltage range – 9.6V – 31.2V DC
Average current (at 12V) – 245mA
Peak current – 2.5A
Average power consumption (at 12V) – 2.9W
Galvanic isolation – NMEA 0183 inputs only, NMEA 2000, VHF antenna portCONNECTORS
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-BDATA 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 dataSTANDARDS 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 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 1.0GNSS
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 – 26sVHF TRANSCEIVER
VDL access scheme – SOTDMA
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 – 5W (+37dBm)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 VHF Radio Accessory Cable (1m)
- 1 x Flexi-fit Mounting Bracket – Complete with Screws & Optional Fixing Tape
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Global Support & Warranty Service
With em-trak you can buy with confidence. If you are unhappy with your new product for any reason, within two days of receipt and subject to the product and packaging being complete and undamaged, you may return it to us for a full refund.
We are sorry, but we cannot accept the return of any product if you have not advised us in writing within 48 hours of receiving your em-trak product, or if it has been used and or damaged or if any of the package is incomplete. All em-trak products benefit from our three year global warranty.
In the unlikely event of a problem, please contact our Customer Support department (24/7) at [email protected] and one of our experts will work with you to resolve your issue or arrange the repair or replacement of your em-trak product. The warranty is invalidated if the product has been incorrectly used, damaged or tampered.
-
MANUAL
HIGH PERFORMANCE
B954 Class B5W/SO
The B954 is a high transmit power (5W SOTDMA) AIS Class B transceiver that is small, light-weight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range – all achieved with the least power consumption.
The B954 combines WiFi & Bluetooth for seamless wireless connectivity and AIS data streaming to any mobile device or PC as well as a high performance integrated VHF antenna splitter which enables the transceiver to share your existing VHF antenna without any loss of performance. Your transceiver comes with CONNECT-AIS - your programming, configuration and transceiver health monitoring app which can be easily downloaded from either the iOS Apple Store or Google Play.
With built in intelligent connectivity, integrated next generation GPS receiver & antenna and a unique FLEXI-FIT bracket system, safe and secure installation is simple.
£780.00
Global next day shipping
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Features
- Certified AIS Class B – 5W CSTDMA
- Plug & play connectivity – WiFi and Bluetooth
- Integrated high performance 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
- Integrated high-performance GPS receiver & antenna (external antenna optional)
- Water, pressure spray and damp proof (IPx6 & IPx7 Certified)
- Ruggedized – protected from vibration, shock and extreme temperatures
- Small and lightweight
- Ultra-low power consumption – best in class
- NMEA0183 & NMEA2000
- Automated health and performance monitoring
- Silent Mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
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Technical specification
PHYSICAL AND ENVIRONMENTAL SPECIFICATION
Size (w x h 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 IPx7ELECTRICAL 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) – 280mA
Peak current – 2.5A
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 portCONNECTORS
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-BDATA 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
Wi-Fi – 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 connectionsSTANDARDS 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 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 1.0GNSS
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 – 26sVHF TRANSCEIVER
VDL access scheme – SOTDMA
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 – 5W (+37dBm)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 VHF Radio Accessory Cable (1m)
- 1 x FLEXI-FIT Mounting Bracket – Complete with Screws & Optional Fixing Tape
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Global Support & Warranty Service
With em-trak you can buy with confidence. If you are unhappy with your new product for any reason, within two days of receipt and subject to the product and packaging being complete and undamaged, you may return it to us for a full refund.
We are sorry, but we cannot accept the return of any product if you have not advised us in writing within 48 hours of receiving your em-trak product, or if it has been used and or damaged or if any of the package is incomplete. All em-trak products benefit from our three year global warranty.
In the unlikely event of a problem, please contact our Customer Support department (24/7) at [email protected] and one of our experts will work with you to resolve your issue or arrange the repair or replacement of your em-trak product. The warranty is invalidated if the product has been incorrectly used, damaged or tampered.
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MANUAL
Core technology
Performance
Core technology continuously developed and proven over many years guarantees you the very best AIS receive and transmit and GPS performance, coupled with the lowest power consumption of any comparable AIS transceiver.
QUALITY ENGINEERED
Reliability
Quality engineered and manufactured with the best components to provide years of continuous, maintenance free operation in even the most extreme environments – impervious and protected against the long-term effects of water, damp, shock, vibration and extreme cold and heat.
PLUG & PLAY
Connectivity
Guaranteed connectivity to any chart-plotter and PC/Phone/Tablet/Watch and navigation app. This ensures you are not limited to any display device or navigation application now or in the future and can maximise AIS related functionality such as weather, MOB, anti-collision, anchor safety, vessel tracking and more.
EASY INSTALLATION
Installation
With features such as FLEXI-FIT bracket, integrated GPS antenna, VHF antenna splitter and unlimited connectivity options such as NMEA2000 & 0183, Bluetooth & Wifi. em-trak AIS transceivers are easy to configure and install on any boat.
GLOBAL COMPLIANCE
Certification
em-trak transceivers are rigorously tested and certified for global regulatory compliance. This includes FCC, USCG, Canada and EU test and certification.
24/7 CUSTOMER SUPPORT
Warranty & support
em-trak transceivers are designed and engineered for a life time of reliable operation in even the most extreme environments. This is supported by our best in class global warranty program with 24/7 customer support