USB Serial
Quality USB Serial Adapters for Windows 7, 8 and Windows 10 USBGear Providing the Best USB Serial Adapters in the Market. Offering FTDI USB Serial Chip sets in many products.
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$169.99This 2-Port USB to RS-422/485 serial adapter allows you to add two RS-422 or RS-485 serial ports by connecting to a USB port. This adapter offers 2000V optical isolation and 25KV ESD surge protection. Learn More -
$169.99 As low as: $154.87USB-4COMi-M USB to Quad RS-422/485 Serial Adapter for Windows 10, 8, 7 and Server 2003/2008 is housed in a metal chassis to protect the item. External dip switches to easily configure the item. Learn More -
$289.99 As low as: $268.27Optical isolated Quad RS-422/485 Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds four RS-422, or RS-485 serial communication ports to your system. Learn More -
$299.95 As low as: $277.93USB-8COMi-M USB to RS-422/485 Adapter connectivity through a Single USB adding up to eight serial port converters with DB9 (9-pin male) connectors, metal housing. (RS-422/RS-485) Learn More
Recent Reviews
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5.0 out of 5 stars
Perfect!.
Just what I needed.
(Review by John) -
5.0 out of 5 stars
works great.
I love the extra length it gives me for my usb cord for my phone.
(Review by Dotty) -
5.0 out of 5 stars
arrived quickly and worked - the needed drivers were on the CD that came with it..
The USB to RS-232 adapter i needed for some logging work for a computer with
(Review by Kevin Parmenter)