Integrating an AIT2500 transponder with an Icom M506 VHF Radio

Digital Yacht Solutions – Overview

The AIT2500 is Digital Yacht’s latest SOTDMA 5W Class B+ AIS transponder. It can integrate with NMEA 0183 and NMEA 2000 systems. The Icom M506 is an AIS ready VHF which is normally supplied with an internal AIS receiver. Many boaters want AIS transmission capability too and the AIT2500 makes the perfect partner, upgrading the system to a full Class B+ 5W AIS transponder while integrating with the Icom VHF for easy DSC call capability to AIS targets and sharing AIS and GPS data via the NMEA 2000 backbone.

The AIT2500 uses our latest Class B+ SOTDMA technology – this offers 2.5x transmit power of regular Class B plus a more frequent position update based on the speed of the vessel. Just like a commercial Class A transponder, SOTDMA technology also guarantees a transmission slot in areas of high AIS traffic.

No requirement for a 2nd VHF antenna

This solution includes the patented ZeroLoss SPL2000 VHF-AIS antenna splitter – allowing the main VHF antenna to be shared with the VHF and with the AIT2500. You don’t need to install a 2nd VHF antenna which saves time and cost while preserving excellent performance thanks to the ZeroLoss technology.

Full integration and interface with any system

The AIT2500 has NMEA 0183 and NMEA 2000 interfaces so will integrate with plotters and MFDs too. There’s also USB for a PC or MAC and you can easily connect to a tablet or iPad for app navigation using the optional NavLink NMEA 2000 wireless gateway.

NavLink is a NMEA 2000 to wireless gateway – taking all the NMEA 2000 information on your boat’s network and sending it wirelessly to iPads, tablets and PCs. Apps can then use this data for detailed overlays and integration. There are 100s apps which can use AIS and GPS data to provide overlays on detailed charts. The award winning Navionics app (for Android and iOS) now supports AIS and NavLink is fully supported. Navionics auto detects the data and provides an instant overlay of valuable AIS target data.

FM Radio Output Too

The SPL2000 also features an FM radio (boat stereo) antenna output allowing the VHF antenna to not only be utilised with the VHF and AIS but also with an on board stereo. Ideal for RIBs and sports boats to cut down on antenna clutter.

Great value and exceptional performance

Some manufacturers are now offering a VHF with integrated Class B transponder. However, a one box solution is a compromise. Digital Yacht & Icom are leaders in their respective technologies. The current generation of combination products don’t use our latest SOTDMA 5W technology and also don’t integrate a splitter – requiring extra cost and efforts of installing a 2nd VHF antenna. With a one box solution, upgrades to any part are more difficult and multiple products make for a more reliable solution – important for life saving communications technology.  Ask us for a system quote.

AIS MOB SART compatability too

Add the LifeGuard AIS SART alarm to alert you when an AIS MOB SART message is received – ideal for use as an MOB system using AIS SARTs like the MOB100. The MOB100 beacon can easily fit to a life jacket and will automatically activate on inflation – sending the casualty position via an AIS SART transmission.



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