- 1 Port RS-422/485 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 - Industrial Specification -40 °C to +80 °C / -40 °F to +176 °F Tough ultra small USB to serial adapter suitable for any environment. The closest you can get to an integrated serial 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 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 XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8 with additional drivers for Raspberry Pi, Mac OS X and Linux.