Serial converters from US brands and US-based sellers
Amazon ranks by what sells fastest, so a serial converter from an established brand gets buried under cheap imports no matter how far you scroll. This page lists the US brands and US-based sellers for serial converters, so you can start from the ones worth trusting.
We read each seller's registered country from Amazon's own published seller info. We don't claim anything here is manufactured in the US, only that you're buying from a US brand or a US-based seller.
Confirmed US brands and sellers
6 listings where Amazon's own seller info places the seller in the US. Each badge says which.
IOGEAR USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers - GUC232A
B&B Electronics Serial Adapter (4WSD9TB)
Belkin 25ft At Serial Modem Cable (Db9f/db25m)
Black Box USB to RS232 Converter, DB9, 1-Port
Coolgear RS232 to TTL CMOS Serial Converter | DB9 Male to Female Compact Port-Powered Adapter for Embedded Systems, Microprocessors & Sensors | Plug & Play
SABRENT USB 2.0 to Serial DB9 RS232 Adapter Cable (CB-DB9P)
US brands we went looking for
More names an AI suggested for this category that we haven't confirmed US on yet. Each badge says how far we've checked it.
Suggested, not verified. These names came from an AI suggestion, not from our data. We only call a brand US after checking the seller's registered address on its Amazon seller page. Amazon is the seller on these, so its seller page can't tell us who the brand is.