The Waveshare Industrial USB to RS232 Serial Adapter Cable, USB Type A to DB9 Male Port, FT232RL Chip, 1.5m Length is designed for stable communication in industrial control environments Waveshare Usb To Rs232 Waveshare Industrial USB To RS232 Serial Adapter Cable, USB Type A To Rs232 Serial Adapter Cable Usb Type To Db9 Male Port Ft232rl Chip 15m Length Rs232 To Usb USB to RS232/485/TTL Interface Converter Industrial Isolated with Latest user manual available upon request. [Multi-OS Compatible]Compatible With Mac OS/Linux/Windows 11 / 10 / 8., 1 / 8 / 7 / XP., ., ., [Strong Anti-Interference, More Stable Communication]Built-In Thick Oxygen-Free Copper Core, With Multi-Layer Shielding, More Anti-Interference And Stable For Industrial Application Industrial USB To RS232 Serial Adapter Cable, Adopts Original FT232RL Chip, Provides Stable Communication, Ideal Choice For Industrial Control Equipments And Applications With High Communication Requirement