★★★★★ 3
Ok
Ok
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Reviewed in the United States on March 6, 2026
![Actisense NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) [OPTO-4]](https://cdn.shopify.com/s/files/1/0447/7544/0545/files/51801XL.jpg?v=1769642382)
Actisense NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) [OPTO-4]
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Actisense NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) [OPTO-4]NMEA 0183 PC OPTO Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) Add isolation to an RS232 port to protect against ground loops. The OPTO 4 provides a safe and low cost way of connecting an RS422 (NMEA 0183) system to an RS232 (PC COM port) system, or any other device with a standard RS232 9 pin port. The OPTO 4 provides comprehensive galvanic OPTO isolation to protect the PC input receiver, plus important spike suppression to improve the
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4.1 ★★★★★
Based on 1519 reviews
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Product Reviews
★★★★★ 5
Enables the person to move around while wearing.
These silicon socks look a bit odd at first glance but they work great and best of all, any lotions and oily creams are contained on the inside so you can walk around. They are very soft. I haven't had them long so I can't comment on durability, but they are not made of lightweight material.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
They Work
Husband struggles with cracking feet, he has tried so many home remedies these work great to keep the moisturizer on and the carpet dry!
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Reviewed in the United States on March 25, 2026
★★★★★ 1
Not worth the time or money
Never buy these, they causes feet cramps and bad pain even if you use foot pain cream
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Reviewed in the United States on April 30, 2026
★★★★★ 3
Does the job but dangerous to walk with!
Does the job but dangerous to walk with: foot is sliding inside the sock if the foot was treated with cream or lotion prior. It is uncomfortable to sleep with but a necessary hurdle to heal your heels!
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Reviewed in the United States on December 24, 2025
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