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We use these [Brainboxes Serial] adapters in our company (industrial automation, lots of serial stuff); they work as a regular COM port, we've never had any issues with them.

user: donny007x, Reddit.com

...the excellent, bomb proof Brainbox adaptor! Thanks again for your help.

VERIPOS - GNSS Field Engineer (EAME)

Many thanks for sending the item to me and generally for a 1st class customer service!

Logicware Ltd

Brainboxes [USB to Serial adapters] are a very useful tool in engineering and are very reliable

CEM Engineering

The driver worked perfectly. Can't believe how quickly the issue has been resolved. Excellent service, thank you!