1.8m, USB Rs232 to Db9 Female, Ft232rl+zt213, USB Serial Adapter Cable USB2.0 RS232 to DB9 cable FT232RL+ZT213 chip USB UART RS232 level(PC COM port standard signal) 2-RX, 3-TX,5-GND, 7-RTS,8-CTS, 1/4/6/9-NC Support Android, Support Win 8, Win 7, XP, 2000, Linix, Mac OS Support EEPROM, support Vendor ID re-write,support Mprog3.5 Support FTDI VCP driver and D2XX driver