![SI-TEX MDA-5H Hi-Power 5W SOTDMA Class B AIS Transceiver w/Built-In Antenna Splitter (w/o Wi-Fi) [MDA-5H]](https://cdn.shopify.com/s/files/1/0855/3916/0358/files/93637XL.jpg?v=1706836517)
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Description
SI-TEX MDA-5H Hi-Power 5W SOTDMA Class B AIS Transceiver w/Built-In Antenna Splitter (w/o Wi-Fi) [MDA-5H]MDA 5H Hi Power 5W SOTDMA Class B AIS Transceiver with Built In Antenna Splitter (without Wi Fi) **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. MDA 5 Hi
MDA-5H Hi-Power 5W SOTDMA Class B AIS Transceiver with Built-In Antenna Splitter (without Wi-Fi)
**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.**
MDA-5 Hi-Power 5W SOTDMA Class B AIS Transceiver w/Built-In Antenna Splitter (Without WiFi)
Features:
- The MDA-5 is the world's most sophisticated fully certified 5-Watt SOTDMA Class B AIS Mobile on the market
- 5-Watt transmitter power, Higher Output power means your vessel will be seen at longer ranges by other vessels and via AIS websites
- SOTDMA Class A Priorities means that your vessel will always transmit and be seen in very congested Commercial Harbors and Ports where traditional Class B units don't have network priority.
- Integrated zero loss VHF antenna splitter - no second antenna needed
- NMEA-0183 data port, NMEA-2000 & USB intelligent connectivity to all bridge systems
- Built-In GPS & GLONASS satellite navigation receiver
- Water Proof certified to IPX7
- Dual Receivers decodes all DSC & AIS messages, including MOB & SART
- Ultra-power efficient
- IEC-62287-2, FCC, and USCG certified
- 2 Year Warranty
Package Includes:
- Commercial Grade External GPS Antenna with Coax Cable
- Mounting hardware
- Power & Data Interface cable
- VHF Radio Connection cable
- Product Information DVD, with ProAis2 Software for Programming & Troubleshooting
- User Manual & 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: -25C to +55xC
- Ingress Protection: IP67
- Dimensions (transceiver): 6.8" W x 5.0" H x 2.0" D
- Weight 0.8 lbs.
Specifications:
- AIS Class: B
- Antenna Included: No
- Display Included: No
- Function: Receive/Transmit
- GPS Included: Yes
- Box Dimensions: 5"H x 9"W x 14"L WT: 3.25 lbs
- UPC: 010407510712
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1314 reviews
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Product Reviews
★★★★★ 5
Best place for head
Size: Queen (Pack of 1), Color: White
Do you love not getting sleep and sweating all over your pillow at night when you are asleep? If so then don't buy this pillow! If you want a good nights sleep and cool pillow like me this is the one. Ive always been ehh towards spending so much on a pillow but its 100% worth it, I sleep so much better and it forms to my head and keeps me cool at night. Great support even for my big head and comes with a bag of extra stuffing if you want to have a little more firmer pillow. Highly recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
★★★★★ 3
Oversized
Size: Queen (Pack of 2), Color: White
I have chronic neck pain. I am forever buying new pillows. Sometimes I think I found the perfect pillow but then three months later they’re losing their loft. I thought I would give these pillows to try since the stuffing is removable. Now these pillows are really oversized. To the point where I thought that they had sent me king-size pillows but I double checked the packaging and they were Queen. I ended up having to buy king-size pillowcases for them because they just barely fit in the queen size and the pillowcases would always end up pulling back from the edge. So that’s a negative one star there. Now I’ve been sleeping on these pillows for a while and they have held up well. I did end up removing some of the stuffing because it was just too much. I’m a side sleeper and when I use this pillow, it does a good job of keeping my neck in alignment. However, the pillow tends to migrate up as I sleep. Or I tend to slip down off the pillow, either or. So that’s why I’ve removed a second star. Maybe if I removed more stuffing that wouldn’t happen, but then I feel like the loft would be too little. I will say that these provide great support when sitting up in bed reading or watching TV. So would I buy them again? Probably not. Am I going to keep using them? Yes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025
★★★★★ 5
Comfortable and stays cool
Color: White-cooling Basic, Size: Queen(Pack of 1)
Great pillow. When i opened it, i noticed a strange smell, i assumed its the smell of whatever they use to make the pillow stay cool. You have to fluff it for a good amount of time to make sure the cooling agent spreads well in the foam. Is what i assumed atleast. Its a perfect amount of softness for me. Pair it with some bamboo pillow cases and you got a good night of sleep
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok.
One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable.
Overall, great quality, comfortable, and worth the purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
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