1pcs New USB to TTL UART Module 4pin Serial Converter CP2102 STC 4pin cables Specifications: Stable and reliable chipset CP2102 USB specification compliant with full-speed 12Mbps. Standard USB type A male and TTL 5pin connector. 5pins for 3.3V,TXD,RXD,GND & 5V All handshaking and modem interface signals Baud rates: 300 bps to 1 Mbps. Temperature Range: -40¡æto +85¡æ Supports Windows windows vista/xp/server 2003/200,Mac OS-X/OS-9,Linux Package Include: 1 x CP2102 moudle 1 x 4pin dupont cables(random color)