SI-TEX MDA-6 High Power 5W SOTDMA Class B/SO AIS Transceiver w/Bluetooth, Wi-Fi, NMEA0183, NK2 Isolated USB Interface [MDA-6]
SI-TEX MDA-6 High Power 5W SOTDMA Class B/SO AIS Transceiver w/Bluetooth, Wi-Fi, NMEA0183, NK2 Isolated USB Interface [MDA-6]
MDA-6 High Power 5W SOTDMA Class B/SO AIS Transceiver with Bluetooth, Wi-Fi, NMEA0183, NK2 Isolated USB Interface: **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase.
In stock — ships today if ordered by 2 PM ET
About the ais system.
MDA-6 High Power 5W SOTDMA Class B/SO AIS Transceiver with Bluetooth, Wi-Fi, NMEA0183, NK2 Isolated USB Interface: **As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI Registration or FCC Ship Station License is required, along with the vessel master or owner's signature on the completed programming form.** Click here to download form. 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:: 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:: Specifications:: Quick Guide (pdf) Brochure (pdf)
- 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
Product specifications
Full specifications are being added. Call the Field Desk at (704) 709-5290 for details on this item.
5W SOTDMA Class B/SO for long-range, high-priority AIS transmissions
Engineered and field-tested with SI-TEX. SI-TEX gear, chosen and stocked by the Bucks & Bass Field Desk.
High-fidelity AIS performance for precise, reliable tracking
Engineered and field-tested with SI-TEX. SI-TEX gear, chosen and stocked by the Bucks & Bass Field Desk.
Integrated high-power Wi-Fi for tablets and laptops
Engineered and field-tested with SI-TEX. SI-TEX gear, chosen and stocked by the Bucks & Bass Field Desk.
Fit notes
Runs true to size with room for a midweight layer underneath. If you are between sizes and plan to layer heavily, size up. Field Desk staff can confirm fit by phone or chat before you order.
Size chart
| Size | Chest | Waist | Sleeve |
|---|---|---|---|
| S | 35–37 | 29–31 | 32.5 |
| M | 38–40 | 32–34 | 33.5 |
| L | 41–43 | 35–37 | 34.5 |
| XL | 44–46 | 38–40 | 35.5 |
| 2XL | 47–49 | 41–43 | 36.5 |
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“Exactly as described. Quiet, well built and the fit is right. Second season with it and no complaints.”
Mark T.Verified buyer • Whitetail“Bought this on a Field Desk recommendation and it was the right call. Shipping was fast.”
Jenna R.Verified buyer • Weekend trips“Solid gear for the money. Would like one more color option but performance is there.”
Cody B.Verified buyer • BassFree standard shipping
Orders over $75 ship free in 3–5 business days. Orders placed before 2 PM ET ship the same day.
Easy 30-day returns
Unused gear in original packaging can be returned within 30 days for a full refund. We email a prepaid label.
Warranty handled for you
Full SI-TEX manufacturer warranty. Our Warranty Center manages the claim so you do not have to chase the brand.
Recommended with it.
Add the two most-paired items and save 10%.
SI-TEX MDA-6 High Power 5W SOTDMA Class B/SO AIS Transceiver w/Bluetooth, Wi-Fi, NMEA0183, NK2 Isolated USB Interface [MDA-6] + Digital Yacht AIS100 AIS Receiver [ZDIGAIS100] + Digital Yacht AISnet AIS Base Station [ZDIGAISNET]


