Pl2303ta USB TTL to Rs232 Converter Serial Cable Module for Win 8 Xp Vista 7 8.1 Pack of 2 This is a newly designed product, using the Taiwan prolific production company PL2303TA chips, PL2303TA perfectly compatible with win XP/VISTA/7/8/8.1 system PL2303TA provides a convenient solution for connecting an RS232-like full-duplex asynchronous serial device to any Universal Serial Bus (USB) capable host. PL2303TA highly compatible drivers could simulate the traditional COM port on most operating systems allowing the existing applications By taking advantage of USB bulk transfer mode, large data buffers, and automatic flow control, PL2303TA is capable of achieving higher throughput compared to traditional UART (Universal Asynchronous Receiver Transmitter) ports.When real RS232 signaling is not required, baud rate higher than 115200 bps could be used for even higher performance. PL2303TA is exclusively designed for mobile and embedded solutions in mind, providing a small footprint that could easily fit in to any connectors and handheld devices. PL2303TA is perfect for bus powered operation with plenty of power left for the attached devices. Quantity:2PCS