Si-Tex MDA-5H 5W SOTDMA Class B AIS Transceiver with Antenna Splitter

The Si-Tex MDA-5H is a high-performance 5-Watt SOTDMA Class B AIS transceiver designed for professional marine navigation. This fully certified unit offers superior transmission power and network priority, ensuring your vessel is visible at extended ranges even in congested commercial harbors and ports where traditional Class B AIS units may struggle to transmit.

Key Features:

• 5-Watt transmitter output provides extended transmission range and visibility
• SOTDMA technology delivers Class A transmission priorities for guaranteed visibility in high-traffic areas
• Integrated zero-loss VHF antenna splitter eliminates the need for a second antenna
• Built-in GPS and GLONASS satellite navigation receiver for precise positioning
• Dual receivers decode all DSC and AIS messages, including MOB and SART alerts
• Multiple connectivity options: NMEA-0183, NMEA-2000, and USB interfaces
• Waterproof construction certified to IPX7 standards
• Ultra-power efficient design with 220mA average current draw
• IEC-62287-2, FCC, and USCG certified for commercial and recreational use

Technical Specifications:

• Transmitter Power: 5 Watts
• Frequency Range: 156.025-162.025 MHz
• Input Voltage: 9.6-31.2 VDC
• Operating Temperature: -25°C to +55°C
• VHF Antenna Connector: SO-239 UHF
• GPS Antenna Connector: TNC
• Ingress Protection: IP67
• Dimensions: 6.8" W × 5.0" H × 2.0" D
• Weight: 0.8 lbs

Package Includes:

• 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
• User manual and quick start guide

Important: FCC regulations require all AIS transceivers sold in the US to be programmed by a qualified technician. MMSI registration or FCC Ship Station License documentation is required for programming.

Backed by a 2-year manufacturer warranty, the MDA-5H delivers professional-grade AIS performance without Wi-Fi connectivity.