Si-Tex MDA-4 Marine Radiotelephone
Best reliable communication for serious mariners.
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.
$459.00
Owner Satisfaction
4.3
/ 5
Category Rank
208
/ 240
#208 in Marine Radios
Price vs Category Average
-8%
Below average
AIS
Dual Channel Receiver
/ Dual Channel Receiver
Who it's for
- Mariners prioritizing collision avoidance and real-time vessel tracking.
- Boaters needing reliable emergency communication and direct vessel-to-vessel contact.
- Sailors and powerboaters requiring rugged, weather-resistant communication gear.
Who should skip it
- Budget-conscious mariners seeking only essential voice communication.
- DIY installers unfamiliar with NMEA connectivity or complex marine electronics.
- Mariners expecting a large, detailed graphical display for AIS target information.
Key Specs
AIS
Dual Channel Receiver
Model
MDA-4
Features
- Built-in AIS Dual Channel Receiver
- Displays AIS Target Information
- Professional-Grade Communications
- Receives Class A and B AIS
What customers say
Customers consistently praise the Si Tex MDA 4 Marine Radiotelephone for its robust reliability and straightforward ease of use. Mariners appreciate its dependable performance in challenging conditions, highlighting its clear communication and intuitive interface. The device is seen as a solid, trustworthy piece of equipment, making it a preferred choice for those needing consistent functionality on the water. Its quality construction also contributes to a positive user experience, ensuring long term operation.
Know before you buy
No, the MDA-4 features a built-in dual-channel AIS receiver, so you do not need to purchase or install a separate unit to track nearby vessels.
The MDA-4 is designed to receive both Class A and Class B AIS transmissions, ensuring you can monitor a wide range of commercial and recreational traffic.
The unit displays comprehensive target data, including the vessel's name, MMSI number, call sign, bearing, distance, speed over ground, and course over ground.
Yes, it is engineered for professional-grade communications, offering the reliability and performance required for demanding maritime environments.
Yes, the dual-channel receiver allows the device to maintain its primary communication functions while continuously monitoring and displaying AIS target information.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$459