Ideal for connecting to modem, cellular phone, PDA, ISDN terminal adapter, satellite receiver, graphic tablet, bar code scanner, label printer, automated teller machine, GPS, finger print identification, Infra-Red transceiver, packet radio, magnetic card reader, Pos devices, multi-modem dail-up server, digital camera, automation interface, and card reader. Keeps old Serial devices alive - Fully Compliant with PCI-Express Base Specification Revision 1.0a - Single-Lane (x1) PCI-Express with Throughput up to 2.5Gbps - Converts to Low Profile Card with SINGLE Serial Port - Compatible with Industrial Standard 16C550 UART - On Chip 256-byte Depth FIFO in Transmit - Transfer Data Rates up to 250Kbps on Each Port - Supports Hardware and Software Flow Control - Supports 5, 6, 7, 8-bit Serial Format