The SI-TEX MDA-5 is a fully certified 5-Watt SOTDMA Class B AIS transceiver built for mariners who need maximum range, priority access in congested commercial ports, and versatile connectivity across all onboard systems. With a zero-loss integrated VHF antenna splitter, built-in GPS/GLONASS receiver, long-range Wi-Fi, and IPX7 waterproofing, this unit delivers Class A transmission priorities in a compact, power-efficient package.

FCC Programming Requirement: FCC regulations require all units sold in the US to be programmed by a qualified technician. A copy of the MMSI registration or FCC Ship Station License, along with the vessel master or owner's signature on the completed programming form, must be submitted at time of purchase. Download the programming form here.

Key Features:

• 5-Watt SOTDMA transmitter power for extended detection range by other vessels and AIS tracking websites
• SOTDMA Class A transmission priorities ensure your vessel is always visible, even in heavily congested commercial harbors and ports where standard Class B units lack network priority
• Integrated zero-loss VHF antenna splitter eliminates the need for a dedicated second antenna
• Built-in 802.11 b/g/n long-range Wi-Fi streams AIS and position data to any Wi-Fi-connected device onboard
• NMEA-0183, NMEA-2000, and USB connectivity for full integration with all bridge systems
• Built-in GPS and GLONASS satellite navigation receiver
• Dual receivers decode all DSC and AIS messages, including MOB and SART signals
• Waterproof rated to IPX7
• Ultra-power-efficient design with 220mA average current draw
• Certified to IEC-62287-2, FCC, and USCG standards
• 2-year warranty

In the Box:

• Commercial-grade external GPS antenna with coax cable
• Mounting hardware
• Power and data interface cable
• VHF radio connection cable
• Product information DVD with ProAis2 software for programming and troubleshooting
• User manual and quick start guide

Specifications:

• Transmitter Output Power: 5 Watts
• VHF Antenna Connector: SO-239 UHF
• GPS Antenna Connector: TNC
• Frequency Range: 156.025–162.025 MHz
• Input Voltage: 9.6–31.2 VDC
• Current Draw: 220mA average power consumption
• Operating Temperature Range: -25°C to +55°C
• Ingress Protection: IP67
• Dimensions (transceiver): 6.8" W x 5.0" H x 2.0" D
• Weight: 0.8 lbs.

Return Policy Notice: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.