PCI-E PCI Express 9pin Serial RS232 com Card；
2 Ports COM 9-Pin Serial RS232 PCI-E PCI Express Card Adapter High Speed；
PCI-E Express to Dual Serial DB9 RS232 RS-232 2-Port Controller Adapter Card；

Features:
Compliant with Single-Lane (x1) PCI-Express specification revision 2.0.

Standard RS-232 DB 9pin male serial port compliant.

Bi-directional speed from 50 bps to 16 Mbps/port.

Supports up to 1Mbytes/sec transfer rate.

Compatible with Standard 16C550 UART with 16-Byte Transmit-Receive FIFO.

Support RS-232 Hardware Flow Control.

Supports PCI-E plug and play.

Driver support for M Windows 98SE / Me / NT4.0 / 2000/ XP / Server 2003 / Vista/ 7 / 8 /, Linux, DOS.

Package content:
1xPCI Express Card Adapter
1x Driver CD
no retail packing