NETGEAR WAG311 802.11a/g Wireless PCI Adapter boosts the speed and effectiveness of your Pentium III Class PC (with an available PCI 2.2 compliant slot) by making it compatible with any IEEE 802.11 product. It is fully compatible with 802.11a, 802.11b, and 802.11g WLAN standards, providing your network with faster speeds of up to 54 Mbps in both frequency bands and up to 108 Mbps in 802.11a turbo mode. This means easy and continuous access to your home wireless router or office network.