Features:
USB to RS-232 Adapter (35cm)
Support the RS-232 Serial interface
Full compliance with the USB Specification
Up to 921.6 Kbps data transfer rate
Works with cellular phones, PDAs, digital cameras, modems or ISDN terminal adapter
OS Compatibility: Windows, Mac, Linux
* mac OS11 (Big Sur) temporarily not support yet , please continue to stay with macOS Catalina (macOS 10.15) until we have new firmware updated