USB specification 2.0 compliant with full-speed 12Mbps.Standard USB type A male and TTL 5pin connector. 5pins for 3.3V,TXD,RXD,GND & 5VAll handshaking and modem interface signalsBaud rates: 300 to 1.5 Mbps. receive buffer; 640 transmit buffer.Hardware or /X-Off handshaking supported.Event character support Line break transmission.USB suspend states supported via SUSPEND pins.Temperature Range: -40degto +85degSupports Windows 98SE, 2003, XP, Vista, Window7, OSX , Linux 2.6.x and 2.4.36size:about 45 x 14 x 8mmType:Voltage RegulatorModel Number:CP2102Application:Computercolor:RedMaterial:PCB + electronic accessoriesPackage Contents:1 x CP2102 module1 x Line (Random color, don't accept the specified color)Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.