AM/FM Patch Cable for AIS & VHF Antenna Splitter This 2M (6') patch cable has a BNC connector that plugs into the Vesper Marine AIS VHF Antenna Splitter and a Motorola plug to connect to your AM/FM radio. Features: 1 x Standard BNC connector 1 x Motorola AM/FM plug 2M (6') in length

VHF Patch Cable for AIS & VHF Antenna Splitter This 2M (6.5') patch cable has PL259 connectors that connect the Vesper Marine AIS VHF Antenna Splitter and your AIS WatchMate or VHF Radio. Features: 2 x PL259 connectors 2M (6.5') long 50 Ω cable This cable can be used as a patch between the AIS WatchMate and your Vesper Marine antenna splitter.

SPL2000 AIS-VHF Antenna Splitter The SPL2000 allows the boat's VHF antenna to be used for both an AIS and VHF simultaneously. It uses ZeroLoss technology and is suitable for use with AIS Class B transponder systems as well as AIS receivers. It's also designed as a failsafe device with automatic priority given to the connected VHF. It is supplied with a BNC-BNC patch cable for the AIS and a PL259-PL259 cable for the VHF. It also features a AM/FM wired output for an on board stereo receiver. Identical in size to the AIT2000, it makes the perfect complimentary splitter device for Digital Yacht's range of AIS products.

B953 Class B AIS Transceiver - 5W SOTDMA with VHF Antenna Splitter **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.** Click here to download form. The B953 is a high transmit power (5W SOTDMA) AIS Class B transceiver that is small, and lightweight, 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. Features: Certified AIS Class B – 5W SOTDMA 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 chart plotter 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 Fail-safe VHF radio operation Physical & Environmental Specifications: Size (H x W x D): 150 x 115 x 45mm Weight: 415kg Operating temperature: -25°C to +55°C Storage temperature: -25°C to +70°C Ingress protection: IPx6 and IPx7 Electrical Specifications: 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 port Connectors: VHF antenna: SO-239 GNSS: TNC Power: 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 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 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 the cold start: 26s VHF 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 1 x FLEXI-FIT™ mounting bracket Complete with screws & optional fixing tape

B954 Class B AIS Transceiver - 5W SOTDMA with WiFi, Bluetooth, & VHF Antenna Splitter **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.** Click here to download form. The B954 is the most feature-rich high transmit power (5W SOTDMA) AIS transceiver in the B900 range. The B954 combines Wi-Fi & 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. Lightweight and completely weatherproof, the B954 delivers the very best AIS receive and transmit performance with increased range and transmission priority. 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 – 5W SOTDMA 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, smartphone, 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 Fail-safe VHF radio operation Physical & Environmental Specifications: Size (H x W x D): 150 x 115 x 45mm Weight: 425kg Operating temperature: -25°C to +55°C Storage temperature: -25°C to +70°C Ingress protection: IPx6 and IPx7 Electrical Specifications: 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: 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 port Connectors: VHF antenna: SO-239 VHF radio: SO-239 GNSS: TNC Power: 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 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 connections 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 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 the cold start: 26s VHF 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 1 x FLEXI-FIT™ mounting bracket Complete with screws & optional fixing tape

SPL1500 Antenna Splitter VHF/AIS An AIS receiver or transponder requires a VHF antenna, but Digital Yacht’s SPL1500 AIS-VHF antenna splitter allows an existing antenna to be used for both the AIS and VHF (DSC). Unlike most simple splitters, it can also be used with a class B transponder system and it incorporates special circuitry to ensure safe operation of the two transmitting devices. The unit has three simple connections - one input for the main VHF antenna and then outputs for the AIS receiver/transponder and another for the DSC VHF. It utilizes Digital Yacht’s ZeroLoss™ technology, to ensure the very best possible reception and transmission from all devices. Most importantly it is also fail safe, so should the unit ever stop working or lose power, it will not affect the main VHF operation. Until now, Digital Yacht, have recommended a dedicated antenna for a receiver or transponder.  However, with the new this new ZeroLoss™ technology, we can now offer a solution that greatly simplifies installation whilst maintaining performance. The unit is waterproof and matches the aesthetics of the current AIT1500, so can easily be integrated into any vessel. It is suitable for operation on 12V or 24V systems and features three status LEDs that show the unit is powered correctly and when the AIS or VHF transmits. Features:  Enables an existing VHF antenna to be used for both the standard VHF and AIS system ZeroLoss™ technology for exceptional performance Works with all Class B transponders and receivers Supplied with power cable, PL259-PL259 cable assembly and BNC-BNC cable assembly for easy installation (all cables 0.75m long) 12V or 24V 0peration and low power consumption Fail safe operation Same size and design as the AIT1500 Makes installation of an AIS receiver or transponder very quick and simple Saves on additional antenna clutter

B924 Class B AIS Transceiver with WiFi, Bluetooth & VHF Antenna Splitter - 2W CSTDMA **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.** Click here to download form. 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 lightweight 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, smartphone, 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 Specifications: Size (H x W x D): 150 x 115 x 45mm Weight: 425kg Operating temperature: -25°C to +55°C Storage temperature: -25°C to +70°C Ingress protection: IPx6 and IPx7 Electrical Specifications: 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: 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 the 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 In the Box: 1 x AIS transceiver 1 x Power and data cable (2M) 1 x VHF radio accessory cable 1 x FLEXI-FIT™ mounting bracket Complete with screws & optional fixing tape

VHF Antenna Splitter A splitter allows a signal to be shared across multiple devices. The VHF Antenna Splitter allows you to use the same antenna for an AIS receiver and a VHF radio. Features: Small robust VHF antenna splitter IPx6 and IPx7 Multiplexes multiple devices to a single antenna Zero performance loss

CX4A Commercial AIS/VHF Antenna Powerful AIS Tuned commercial VHF Antenna that will give you maximum AIS range. Has a SO239 antenna connector in the base of the Antenna and we recommend using this with low loss 50 ohm coax cable such as RG-213 for best performance (not supplied), particularly on long cable runs. A very high quality 3dB AIS tuned GRP antenna which is ideal for professional and super yacht installation. Specifications: 3dB AIS tuned GRP antenna 4ft long Fit 1.25″ commercial grade fixing bases

TP-01 T-Bar Mount f/GPS/VHF Antenna Cost effective mounts for up to four (4) GPS/VHF antennas.  Easy to install and ideal for both sail and powerboats. Features: Designed to fit up to four (4) GPS/VHF antennas The aerial bar can be rotated during installation to determine the ideal position for each antenna. Internal cable routing to ensure a neat appearance once installed. Customisable height Technical Specifications: Material - Stainless Steel Height - 9.36" (238mm) In the Box: Mount Mounting hardware  Installation manual *Sold as an Individual

Power/Data Cable f/AIS 600 Use this power/data cable to power the AIS 600. Includes NMEA 0183 inputs/outputs. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

AIS700 Class B AIS Transceiver with Antenna Splitter **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.** Click here to download form. The AIS700 from Raymarine is a Class B Automatic Identification System (AIS) transceiver designed for use with Raymarine multifunction navigation display systems.  AIS is an international marine navigation safety system that allows participating vessels to silently exchange key navigation information including vessel name, identification, course, speed and more.  AIS contacts can be displayed on Raymarine multifunction displays, chartplotters, radar displays and select instruments.  As a Class B AIS transceiver, the AIS700 not only receives broadcasts from other vessels, it also transmits your own boat’s information too helping you to be seen on other vessels’ systems. The AIS700 is engineered using the very latest SO-TDMA (Self Organized Time Division Multiple Access) networking technology which allows it to perform faster and at longer ranges than d speed over previous generation AIS products.  For ease-of-installation, the AIS700 has a built in VHF-band antenna splitter which allows it to share a single antenna with your current VHF radio.  AIS700 also has its own internal, dedicated 72-channel GPS receiver with external antenna as required by international standards.   AIS700 also supports both hardware and software-enabled Silent Mode.  This allows you to temporarily restrict broadcasting your vessels own data, while continuing to receive updates from surrounding traffic.  Silent Mode can be particularly useful when transiting waters where extra security is a concern, or even in competitive tournament scenarios when you might want to prevent other from finding out the location of the hot bite.  Normal AIS safety broadcasts can be easily reinstated with a few simple touches of the AIS controls in your Raymarine MFD, or with the flip of a switch for hardware-silenced systems. The AIS700 is super-compact for easy mounting inside your helm, in a service locker, or other out-of-the-way location.  It can connect to your other onboard electronics using the latest NMEA2000 networking.  AIS700 also has a built-in NMEA0183 multiplexer to assist in connecting it to older MFD’s and VHF radio systems.  AIS700 also has a built-in USB 2.0 connection that can be used to tie the transceiver into a computer or laptop running AIS compatible navigation software.  AIS700 has a Secure Digital (SD) memory slot that can be fitted with an owner-suppled flash memory card for continuous recording of the AIS data stream.   Features: Full transmit and receive AIS for enhanced situational awareness and safety Latest SO-TDMA networking for longer range and faster performance Built-in antenna splitter simplifies installation with existing VHF radio antenna NMEA2000, NMEA0183, PC and SeaTalkng Compatible Software or hardware switchable Silent Mode for enhanced security when needed In the Box AIS700 Class B AIS Transceiver with built-in VHF antenna splitter GNSS (GPS) Antenna, gasket and pole mount kit Power and data cable (2 meters) VHF Radio antenna interconnect cable (1 meter) DeviceNet to SeaTalk NG Cable (1 meter) Mounting Hardware Pro-AIS Programming Software CD-ROM Documentation kit This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

**As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.** Click here to download form. MDA-5 Hi-Power 5W SOTDMA Class B AIS Transceiver w/Built-In Antenna Splitter & Long Range Wi-Fi Features: The MDA-5 is the world's most sophisticated fully certified 5-Watt SOTDMA Class B AIS Moble on the market 5-Watt transmitter power, Higher Output power means your vessel will be seen at longer ranges by other vessels and via AIS websites SOTDMA Class A Priorities means that your vessel will always transmit and be seen in very congested Commercial Harbors and Ports where traditional Class B units don"t have network priority. Intergrated zero loss VHF antenna splitter - no second antenna needed Built-In 802.11 b/g/n Long Range WIFI allows unit to send AIS and Position data to any WIFI connected devices NMEA-0183 data port, NMEA-2000 & USB intelligent connectivity to all bridge systems Built-In GPS & GLONASS satellite navigation receiver Water Proof certified to IPX7 Dual Receivers decodes all DSC & AIS messages, including MOB & SART Ultra-power efficient IEC-62287-2, FCC and USCG certified 2 Year Warranty Package Includes: Commercial Grade External GPS Antenna with Coax Cable Mounting hardware Power & Data Interface cable VHF Radio Connection cable Product Information DVD, with ProAis2 Software for Programming & Troubleshooting User Manual & Quick Start Guide Specifications: Transmitter Output Power: 5 Watts VHF Antenna Connector SO-239 UHF GPS Antenna Connector TNC Frequency Range: 156.025-162.025 Mhz Input Voltage: 9.6-31.2 VDC Current Draw: 220mA average power consumption Operating Temperature Range: -25C to +55xC Ingress Protection: IP67 Dimensions (transceiver): 6.8" W x 5.0" H x 2.0" D Weight 0.8 lbs. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

MDA-5H Hi-Power 5W SOTDMA Class B AIS Transceiver with Built-In Antenna Splitter (without Wi-Fi) **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.** Click here to download form. MDA-5 Hi-Power 5W SOTDMA Class B AIS Transceiver w/Built-In Antenna Splitter (Without WiFi) Features: The MDA-5 is the world's most sophisticated fully certified 5-Watt SOTDMA Class B AIS Mobile on the market 5-Watt transmitter power, Higher Output power means your vessel will be seen at longer ranges by other vessels and via AIS websites SOTDMA Class A Priorities means that your vessel will always transmit and be seen in very congested Commercial Harbors and Ports where traditional Class B units don't have network priority. Integrated zero loss VHF antenna splitter - no second antenna needed NMEA-0183 data port, NMEA-2000 & USB intelligent connectivity to all bridge systems Built-In GPS & GLONASS satellite navigation receiver Water Proof certified to IPX7 Dual Receivers decodes all DSC & AIS messages, including MOB & SART Ultra-power efficient IEC-62287-2, FCC, and USCG certified 2 Year Warranty Package Includes: Commercial Grade External GPS Antenna with Coax Cable Mounting hardware Power & Data Interface cable VHF Radio Connection cable Product Information DVD, with ProAis2 Software for Programming & Troubleshooting User Manual & Quick Start Guide Specifications: Transmitter Output Power: 5 Watts VHF Antenna Connector SO-239 UHF GPS Antenna Connector TNC Frequency Range: 156.025-162.025 Mhz Input Voltage: 9.6-31.2 VDC Current Draw: 220mA average power consumption Operating Temperature Range: -25C to +55xC Ingress Protection: IP67 Dimensions (transceiver): 6.8" W x 5.0" H x 2.0" D Weight 0.8 lbs.

AIT1500 NMEA2000 Class B AIS **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.** Click to download form. "An easy to install Class B AIS transponder with plug 'n play NMEA 2000 interface. Built in GPS antenna and ideal for use on smaller yachts and boats like RIBs and center consoles." The AIT1500N2K is a Class B AIS transponder with built in GPS antenna to make installation as easy as possible. The super sensitive design allows below deck mounting on GRP boats such as small yachts, RIBs and center consoles and cuts down on antenna clutter. It connects to your boat's electronics via a plug 'n play NMEA 2000 connection and power is also taken from the NMEA 2000 backbone. Simply connect a VHF antenna (or use our SPL2000 AIS-VHF antenna splitter) and you're equipped with Class B AIS.  Once installed, your AIS compatible plotter will show an overlay of targets and you'll transmit your position every 30 seconds when underway to other AIS users. There's also a USB interface for PC/MAC connectivity which can be used for programming the transponder with your boat details.  The AIT1500N2K features a waterproof and tough enclosure with 4 LED indicators to show the status of the transponder.  Features:  Shares the same latest generation AIS technology as our AIT2000 and AIT3000 units  Plug and Play NMEA2000 interface (takes power from network) Compatible with all AIS ready chart plotters Internal GPS antenna for easy installation on fibreglass (GRP) hulled boats Built-in high performance 50 channel GPS receiver (ideal also as a backup GPS) USB Interface for simple plug and play connection to a PC or Mac Requires VHF antenna or dedicated AIS antenna (available as optional accessory) or splitter (SPL2000) Supplied with programming software for PC/Mac and SmarterTrack Lite for Windows Easy to install black box solution NOTE - AIS target range, like VHF range is dependent upon a number of installation factors such as; antenna gain, antenna height and size of ground plane. Ranges in excess of 20 miles should be possible if all of these factors are perfect. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.