The D-Link AirPlus Xtreme G DWL-G520 PCI Wireless Network Adapter Card is a high-speed wireless card designed for use with computers that have a PCI port. It offers a maximum data rate of 108 Mbps and is compatible with Windows operating systems. The card comes with a 30-day limited warranty from the manufacturer and is ideal for users looking to upgrade their computer's networking capabilities to achieve faster and more reliable wireless connections. D-Link is a trusted brand in the industry, known for producing reliable and well-performing networking devices.