Tgom 5 Ft USB to Rs232 Rs-232 Db9 Serial 9 Pin Male Serial Adapter Cable M/M Allows any PC to connect serial devices and programs that communicate through COM ports,USB specification 1.1 and 2.0 compliant ,Install as a standard Windows COM port, full RS-232 modem control signals, RS-232 data signals, TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND USB to RS232 DB9 9 Pin Male Serial cable Compatible with Windows 2000 SP4 Windows XP SP2 and above (32 & 64 bit) Windows Server 2003 (32 & 64 bit) Windows Vista (32 & 64 bit) Windows 7 (32 & 64 bit) (will automatically recognized by Windows 7) Windows Server 2008 / 2008 R2 for Windows 8 (32 & 64 bit) (will automatically recognized by Windows 8) Mac OS X 10.6 Snow Leopard (32 and 64 bit kernel) Mac OS X 10.7 Lion (32 and 64 bit kernel) Mac OS 8/9/10.1 Linux Redhat 7, 8 and 9, Android drivers cd included