Last updated: July 9, 2026
The Si-Tex Marine Radiotelephone provides mariners with professional-grade communications features and the added safety and convenience of a built-in, high-performance AIS Dual Channel Receiver. The MDA-4’s dual-channel AIS receives all Class A and Class B AIS ship info and provides an AIS target display including MMSI, Call Sign, Ship’s Name, Bearing, Distance, Speed Over Ground and Course Over Ground.
MSRP $459
