Si-Tex MDA-4 VHF Radio with Built-in AIS Receiver

VHF with Class D DSC and Built-In AIS

The Sitex MDA 4 is a 25 watt full featured VHF including a high performance dual-channel AIS receiver. Providing important navigation data such as Lat/Lon, date, Speed over ground, and course over ground when connected to a compatible chartplotter via NMEA 2000 or NMEA 0183, the MDA4 is a top contender in VHF Radios. You can also add the optional GNS 66-channel smart GPS antenna allowing the same GPS capabilities listed above in a standalone VHF unit.

Constructed to military specifications, The MDA 4 is designed to stand up to any condition and years of hard use. Meeting MIL-STD-810G specs for Altitude, High and Low Temperature, Temperature Shock, contamination by Fluids, Solar Radiation, Rain, Humidity, Salt, Fog, Sand & Dust, Immersion, Vibration and Shock. Providing more safety than ever before, this VHF offers DSC calling, a 25 watt fog horn/ Hailer, Programmable channels, and even weather channels. The MDA 4 will provide an added level of reassurance on your next excursion.

The Built-In AIS Receiver enables the mariner to view AIS target information including call sign, ship name, bearing, distance, and more on the large, bright screen display.

Whether you’re a commercial fisherman or just for recreational use the MDA 4 will not disappoint.