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Ships within 48 hours · Estimated delivery Sep 21 - Sep 26
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Description
PMM5544 OEM Acoustic ModemThe PMM5544 is a high performance underwater acoustic modem enabling robust communication, voice capability, and scientific data collection. PMM5544 Features: Long Range Acoustic Communication: 18 km depending on transducer, conditions, and modulation selected. Flexible Data Rates: 80 bps to 10,240 bps depending on the selected modulation scheme. Precise Acoustic Ranging: High accuracy ranging capability (<0. 3 m). Low Power Wake Up: Energy efficient
The PMM5544 is a high-performance underwater acoustic modem enabling robust communication, voice capability, and scientific data collection.
PMM5544 Features:
- Long-Range Acoustic Communication: 1–8 km depending on transducer, conditions, and modulation selected.
- Flexible Data Rates: 80 bps to 10,240 bps depending on the selected modulation scheme.
- Precise Acoustic Ranging: High-accuracy ranging capability (<0.3 m).
- Low Power Wake-Up: Energy-efficient standby operation with rapid activation.
- Customizable Linux Platform: Supports APIs for Python, MATLAB®, C++, JSON, JACK, and Socket integration.
- Simultaneous 4-Channel Hydrophone Input / 4-Channel Output: Unique to the PMM5544, this allows multi-channel sample-synchronous acoustic processing for integrating advanced sensing, beamforming, and detection applications.
- Integrated Single Sideband Voice: Includes SSB voice communications with adaptive squelch, VOX, and noise cancellation.
- High-Speed Dual-Core ARM Processor: Dual-core 1.4 GHz Arm® Cortex®-A53 processor for rapid data processing and efficient onboard control.
- Multiple Connectivity Options: Gigabit Ethernet, RS-422, and RS-232 interfaces for easy integration.
- Onboard Storage: 64 GB internal storage, expandable via microSD.
Optional Specialized Features (License Required):
- JANUS Support: Enables interoperable underwater communications using the NATO ANEP-87 standard.
- Phorcys Stheno + Euryale: Adds secure Phorcys communications with Stheno (20–28 kHz) and Euryale (8–12 kHz) capability. Euryale requires a compatible low-frequency transducer.
- MARIA: Unlocks the Marine Acoustic Rapid Innovation Architecture for custom acoustic algorithms, PCM data access, and advanced hardware control.
Technical Details:
Download the technical specifications sheet at www.popotomodem.com/documentation for more in-depth information.
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
4.8 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Great quality and perfect desk organizer
Color: Brown
Great quality and perfect desk organizer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
★★★★★ 5
Beautiful and Functional - And A Great Price. Just Bought My Third One
Color: Beige
I just ordered my third Sumnacon square linen tissue box cover. This tissue box looks just like linen - but it's better because unlike real linene, it can be wiped down and cleaned. It is a soft linen color... it blends beautifully into any decor. Such an improvement over a cardboard tissue box. I got one for my bathroom, then ordered one for our bedroom. I just ordered another for the kids bathroom. It has a magnetic bottom which is great and the price is right. I've purchased big clunky ceramic tissue box covers in the past and these are far superior. Understated and very pretty.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2026
★★★★★ 5
Attractive & Practical
Color: Beige
Great quality tissue box cover. Solved a big problem. PU with a linen weave texture. Attractive finish. Weighty, magnetic bottom and a great fix for the tissues box falling into the floor every time a tissue is pulled. Solves a lot of issues.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Elevates your tissue box
Color: Beige
Very well made! Sturdy with nice look. The fabric can easily be wiped down if needed. Very pleased. The tissue box slides easily in and I like how the bottom is covered as well. Elevates the box for any room. Great value for the money! Bought two and plan to purchase another.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Super Cute and Hides Ugly Tissue Boxes Perfectly!
Color: Beige
Absolutely love this tissue box cover! It’s super cute and matches our house decor perfectly. It makes such a big difference compared to looking at regular tissue boxes sitting out.
The quality is nice, it fits well, and it’s a simple way to make the room look more put together while hiding the ugly tissue boxes. Definitely happy with this purchase!
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Reviewed in the United States on May 23, 2026
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