Support USB-CIF02 operating system: Windows2000/XP/Windows7/Win8 (WinNT4/95/98/Me/DOS not included ). Support USB-CIF02 programming software version: CX-Programmer V1.0 and above. fully compatible with USB2.0 norms. USB-bus powered, with current consumption of 50 mA. Baud rate: 300 bps ~ 1Mbps automatically adapt to the standard baud rate. Support UART data format: data bits: 7-8; stop bit: 1, 2; check-bit: odd / even / no parity. Each PC only supports one USB cable programming.