HP Belkin Dual-Band Wireless A+G Desktop Network Card - network adapter ( EA118AA )

Wireless LANs based on 802.11 standards are well understood and widely accepted. 802.11a and 8012.11g are emerging variations on the successful 802.11b WiFi standard offering increased data throughput and higher-levels of security encryption. The HP Dual-band Wireless A+G PCI Adapter allows you to reduce installation cost associated with adding users onto existing networks by removing the need for network cabling and dramatically increases flexibility when changing or altering workspace layouts within wireless-enabled office environments. (Amazon)