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R4
Class A AIS shipborne transponder
system |
R4
AIS Transponder System is our 4th
generation design. The core of the
transponder is a software defined
radio, combined with a high quality
built-in GPS receiver and processor.
The IMO compliant Saab R4 carries
type approvals from a number of countries,
including EU, US Coast Guard, Russia,
India, Brazil and China. It can be
installed as stand-alone AIS or in
combination with our R4 DGPS sensor.

The R4 AIS system comes in several
variants; as a full Class A, as a
Secure system for Coast Guard or Navy
solution or as an Inland AIS transponder
system. Saab supplied quantities of
Inland AIS transponders for use on
the Danube River in Austria.
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