Plugadget FTDI chips USB 2.0 to DB9 rs232 Serial cable Converter with Magnetic Ring 1.8M（5.9 ft） PCI-E LPC PC Analyzer high speed and stable transmission

high speed and stable transmission

Four phase power supply module8

Driver-Free

but it is not compatible with Lenovo and HP laptop

Work mode Asynchronous

Plugadget FTDI chips USB 2.0 to DB9 rs232 Serial cable Converter with Magnetic Ring 1.8M（5.9 ft） PCI-E LPC PC Analyzer high speed and stable transmissionFeatures: Standards: conforming to USB V1. 0, 1. 1 and 2. 0 USB signals: VCC, DATA+, DATA , GND and FG RS 232 signals: CD RXD TXD DTR GND DSR RTS CTS RI Single chip USB to asynchronous serial data transfer interface Support Bits per second Data transfer rates from 300 baud to 961200baud (RS232 ) at TTL levels UART interface support for 7 or 8 data bits,1 or 2 stop bits and even odd mark space none Flow control none,hardware and xon xoff Synchronous