Startech N300 WiFi PCIe Wireless Adapter

The Mini PCI Express Wireless N Card lets you add high-speed 802.11n network connectivity to your laptop or small form factor system, with support for data transfer rates up to 300Mbps

2 Transmitter/2 Receiver (2x2:2) antenna configuration
Compliant with IEEE 802.11n standards, with transfer rates up to 300Mbps
Backward compatible with IEEE 802.11b/g standards for up to 11/54Mbps connections respectively
Broadcast distances up to 100m indoors, 300m outdoors
Supports WMM, voice and video services
Half-height Mini PCI Express interface

The 300Mbps wireless N adapter offers the necessary speeds for demanding network applications such as streaming video, VoIP and network backups, while also offering backward compatibility with 802.11b/g networks (11/54Mbps) to connect to older WiFi routers as needed

PCI ExpressCards RS-232

PCI Express (PCIe) is a serial I/O technology that has been designed to deliver significantly more data than the existing PCI standard, with a transfer rate of 2.5Gb/s in each direction per lane. PCIe is expected to replace PCI on all new personal computers to the end of this year. Initially, personal computers will have both PCI and PCIe slots available. Drivers for all popular operating systems including Windows 7.