SKU: 72376694329

Modem M16

Sale price$1033.05 Regular price$1147.83
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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Modem M16Water Linked's Modem M16 enhances ROV, AUV, and commercial diving operations with reliability and robustness. By prioritizing reliability over data rate, its design ensures consistent communication even in difficult conditions, such as varying salinity, temperature fluctuations, and moderate turbidity Technical specifications Mechanical Device length 47 mm (Standard, ex cable), 47. 5 mm (Flange, ex cable) Device weight (air)40 gram (Standard), 62 gram

Water Linked's Modem M16 enhances ROV, AUV, and commercial diving operations with reliability and robustness. By prioritizing reliability over data rate, its design ensures consistent communication even in difficult conditions, such as varying salinity, temperature fluctuations, and moderate turbidity

Technical specifications​

Mechanical

  • Device length 47 mm (Standard, ex cable), 47.5 mm (Flange, ex cable)
  • Device weight (air)40 gram (Standard), 62 gram (Flange)
  • Device weight (submerged)14 gram (Standard), 32 gram (Flange)
  • Depth rating 600 meter
  • Materials POM (housing)
  • PEEK (transducer)
  • Operating temperature-10 to 70 °C
  • Device diameter29.5 mm

Electrical / Interface

  • Input voltage3.0 - 4.2 Vdc (UART), 10 - 30 Vdc (RS422)
  • Power consumption UART: <1.5 W (Tx), <300 mW (Rx)
  • RS422: <2.0 W (Tx), <400 mW (Rx)​
  • Physical interface5 wires for OEM, Flange (0.5m wires)
  • 5 wires for Standard (2m open ended cable)
  • 6 wires for Extended (15m open ended cable)
  • Communication Serial UART (2.5-3.3V CMOS, 2.5-5V TTL) or RS422

Acoustic / Performance

  • Range1,000 meter
  • Transducer directivity Omnidirectional
  • Transducer frequency58.5 kHz
  • Transmission16 bits per package (1.6s package duration), Half duplex

Approvals

  • CE certificate
    Yes
  • RoHS complian tYes

Designed for difficult situations

Need to communicate in harsh environments?

Water Linked's Modem M16 enhances ROV and AUV operations with reliability and robustness. By prioritizing reliability over data rate, its design ensures consistent communication even in difficult conditions, such as varying salinity, temperature fluctuations, and moderate turbidity. 


Thanks to advanced signal processing, the M16 is built to handle environments with background noise and multipath propagation. By focusing on reliability, the Modem M16 excels in scenarios where stable communication is critical, making it an ideal choice for demanding underwater applications.

Need to communicate over long periods of time? 
With a boot-up time of less than 10 milliseconds, the M16 modem can be set to sleep when not required and quickly boot-up to transmit or receive data. Where it’s not possible to set the modem into the sleep mode each modem draws less than 0.3 watts in listen mode and less than 2 watt seconds when transmitting data.


Need to communicate with other modems in close proximity? 
With 12 channels to choose from, operating around a 58.5 kHz centre frequency, multiple modems can be operated at the same time in the same area without interference. 


Need a modem on a vehicle without adding size or weight?

Maintaining a small physical size and being lightweight was critical when designing the M16 modem for optional OEM integration, allowing the M16 modem to be tightly integrated with little impact on the design of the overall system.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 72376694329

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4.7 ★★★★★
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M Spring
Dallas, US
★★★★★ 4
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Reviewed in the United States on November 15, 2025
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Joyce Payeur
Waukegan, US
★★★★★ 5
Good Value Latex Pillow
Size: Standard (Pack of 1)
Most latex are horribly expensive and smell strongly. This pillow good for a side sleeper, little odor, med firm.
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Reviewed in the United States on August 29, 2024
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S. Bonni
New York, US
★★★★★ 5
Great size for vintage pillowcases
Size: Standard (Pack of 1)
Gives good support. And very pleased w/ comfort. Slightly larger than old replacement, but not the over-sized "standard" of 25".
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Reviewed in the United States on May 13, 2022
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Lulu in TX
Birmingham, US
★★★★★ 5
Cool-temperature outer cover
Set name: UltraCool Pillow 2-Pack, King - Soft/Medium, Item length width: 40.0 Inches
The pillows (set of2) are easily fluffed and adjusted to personal desire. The outer cover is cool to the touch. I do not feel "cooler" with the pillow, but it does not get hot like some. I'm a side sleeper and sleep comfortably with the Slumber Cloud. I would buy these again. Con: pillow cover is slick, so pillow cases slide off.
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Reviewed in the United States on January 10, 2026
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Happy Shopper
West Palm Beach, US
★★★★★ 1
not cooling for post menopause
Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches
As a post menopausal person I did not find this cooling at all. The material is memory foam which holds heat but more importantly my head sinks in so that half of it is always surrounded by the pillow, trapping heat. It IS a supportive, soft and comfy pillow. For cooling though, I found it better to buy a firmer, thinner pillow which keeps my head from sinking into it, allowing heat to dissipate.
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Reviewed in the United States on August 25, 2025

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