MB307P 8DI+4DO RS485 RS232 Ethernet Modbus Rtu Tcp Io Acquisition Module

MB307P 8DI+4DO RS485 RS232 Ethernet Modbus Rtu Tcp Io Acquisition Module

Marsoni

M251S

$44.00

Get it in 3 business days with 1 day shipping. Friday, May 29

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We offer a 30-day return/exchange service after receiving.
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The item works great. I was having issues with video conference calls even with strong wifi in my house. I bought this adapter due to my HP laptop not having an Ethernet port. This worked great right out of the box. It was detected automatically and as soon as I plugged the Ethernet cable into the adapter, my laptop immediately switched over to that and my internet became more stable.

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Reviewed in the United States on May 8, 2026

Verified Purchase

Brandon Huber

Bozeman, US

★★★★★ 4

It's functional but not as fast as I expected.

Size: USB C to Ethernet Adapter

For Android phone Samsung Flagship Galaxy Series phones... at best getting 136 Mbps, which is 0.136 Gbps. But it is working and allowing me to transfer files within my network. No where near a Gigabit transfer. I will likely keep it because I have another use case for it (a faulty Ethernet on a laptop) and don't get me started with the abyssal wifi speeds on laptops. This deserves at best 4 stars.

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Reviewed in the United States on May 24, 2026

Verified Purchase

Maria Cross

San Leandro, US

★★★★★ 5

Great item

Size: USB C to Ethernet Adapter

Works like a charm. Easy set up.

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Reviewed in the United States on May 21, 2026

Verified Purchase

Ian H.

Cuba, US

★★★★★ 5

great product

Size: USB C to Ethernet Adapter

I have a bunch of these and the y work great, fast, easy to use

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Reviewed in the United States on May 16, 2026

Verified Purchase

KrisB

Alexandria, US

★★★★★ 5

Worth every penny

Size: USB C to Ethernet Adapter

This adapter provides a stable, hardwired connection when Wi-Fi is not fast enough for heavy law school research. It is strictly plug and play, requiring no software installation. The weight is negligible, making it easy to keep in my bag for campus. Given the excellent build quality and consistent functionality without any drop-offs, it offers solid value for money. It’s perfectly versatile for numerous uses (keeps me from having to use like 3 other dongles)

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Reviewed in the United States on May 26, 2026