Allows RS-232 compliant peripheral to connect to your laptop or desktop w/ PCMCIA Slot conveniently and easily. Compliant with standard RS-232 DB9 serial port. Compliant with 16-bit PC card. (PCMCIA Rev. 7.1) Fast data rates up to 1Mbytes/sec. PCMCIA type II interface, which is compatible with PCMCIA type II/III slot. 128-byts deep transmitter/receiver FIFO. Very low power consumption 3.3V/5V operation voltage. Bus-powered mode, no external power required for the adapter. Compatible with Windows 98/98SE/ME/2000/NT/XP/Vista/7/8/Linux. Package Content: 1X Brand New RS-232 to PCMCIA Adapter. 1X CD Driver.