SI-TEX MDA-6 High Power 5W SOTDMA Class B/SO AIS Transceiver w/Bluetooth, Wi-Fi, NMEA0183, NK2 Isolated USB Interface

MDA-6 High Power 5W SOTDMA Class B/SO AIS Transceiver with Bluetooth, Wi-Fi, NMEA0183, NK2 Isolated USB Interface

The SI-TEX MDA-6 delivers Class-A–level transmit priority, rapid update rates, and 5-watt SOTDMA transmission—more than twice the power of standard Class B AIS units. Your vessel is detected earlier and at greater distances, even in demanding or congested waterways.

The MDA-6 broadcasts continuous dynamic data, including SOG, COG, heading, and hazard reports, giving surrounding vessels a clearer, more accurate picture of your movements.

Features:

• 5W SOTDMA Class B/SO for long-range, high-priority AIS transmissions
• High-fidelity AIS performance for precise, reliable tracking
• Integrated high-power Wi-Fi for tablets and laptops
• Bluetooth programming app for fast setup and troubleshooting
• AIS Control App with WAZE-style hazard reporting
• Built-in VDR capability
• NMEA 0183, NMEA 2000 & USB connectivity
• Low power consumption
• External GPS antenna included
• IP67 waterproof, dustproof, vibration-proof
• Compact, lightweight design
• IEC-62287-2, FCC & USCG certified

Built for Harsh Marine Environments

The MDA-6 is engineered for reliability in real-world conditions. Its IP67-rated housing protects against water, dust, and vibration, while its compact footprint allows flexible installation on any vessel.

Ideal For:

• High-speed vessels
• Commercial operators
• Recreational boaters in busy waterways
• Installations requiring long-range AIS visibility

Specifications:

• AIS Class: B
• Antenna Included: Yes
• Display Included: No
• Function: Receive/Transmit
• Box Dimensions: 5"H x 9"W x 14"L WT: 3.6 lbs
• UPC: 010407510729

Quick Guide (pdf)
Brochure (pdf)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.