• us 235 compact 1 port rs232 high retention usb 1mbaud
  • US 235 dimensions
  • US 235 high retention socket
  • US 235 isometric view
  • US 235 rear view with usb
  • US 235 rear view
  • US 235 with usb plugged in
  • US 235 RS 232 Pinout
  • wall mount
us 235 compact 1 port rs232 high retention usb 1mbaud
  • 1 Port RS-232 USB to Serial Adapter
  • High Retention USB connector with 50cm USB cable
  • Our smallest form factor USB to Serial
  • Works where many other USB to Serial devices do not. Drivers for Windows 10, 8, 7, XP, Mac and Linux
  • Industrial Specification IP-50 rated -40 °C to +80 °C / -40 °F to +176 °F
  • Lifetime Warranty and Support
  • US-235-datasheet (1.14 MB)
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Tough ultra small USB to serial adapter suitable for any environment. The closest you can get to an integrated RS232 serial COM port. High retention USB connector for an unbreakable connection.

Have confidence, this product will match whatever baud rate your equipment needs without data loss. Includes large 512 byte Tx and Rx FIFOs and high data throughput. Works across the full spectrum of baud rates up to 921,600 including standard and arbitrary values.

We provide our own software drivers - eliminating many common problems with USB to Serial - giving you have a reliable, stable, native com port solution.

Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 10, Windows 8, Windows 7, Server 2008, Vista, Server 2003 and Windows XP with additional drivers for Raspberry Pi, Mac OS X and Linux.

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Operating Systems

Tech Spec

Serial Port
ConnectorDB9 Connector - 9 Pin Male
Tx FIFO Size512
Rx FIFO Size512
Operating DistanceEIA - RS232 Standard
CableUSB cable Type A to B (0.5 metre ~ 1.5ft)
Serial Port Settings
Max Baud Rate921,600
Data Bits7 or 8
ParityOdd, Even, None, Mark or Space
Stop Bits1 or 2
Tx/Rx ModesPoint to Point
PCB Layers4
Operating Temperature Range-40 °C to +80 °C / -40 °F to +176 °F
Industrial StandardYes
Power Consumption40mA @ 5V
Product Weight0.024 kg, 0.85 ounces
Product Dimensions41x38x22 mm, 1.6x1.5x0.9 inches
Packaged Weight0.155 kg, 5.47 ounces
Packaged Dimensions160x135x49 mm, 6.3x5.3x1.9 inches
GTIN (barcode)837324003499
Operating System Compatibility
Operating Systems
  • Microsoft Windows 10
  • Microsoft Windows 8 32 bit & 64 bit Editions
  • Raspberry Pi
  • Microsoft Windows 7 32 bit & 64 bit Editions
  • Windows Server 2008 32 bit & 64 bit Editions
  • Windows Vista 32 bit & 64 bit Editions
  • Mac OS X
  • Windows XP 32 bit & 64 bit Editions
  • Linux
USB 2.0480 Mb/s USB 2.0 data rates.


Microsoft Signed Drivers

Microsoft Hardware