<ul><li>802.11a/b/g compliance with up to 54 Mbps performance</li><li>Provides seamless roaming between frequencies</li><li>Enhanced security with 128-bit WEP encryption and 802.1x user authentication</li><li>Multichannel roaming for enhanced performance</li><li>Transmits data signals to clients working on desktop PCs, notebooks or handhelds</li></ul> From the Manufacturer A RoamAbout wireless LAN is made of two primary components: the RoamAbout access point, a full-function switch that connects to your wired LAN by UTP Ethernet connections, and a wireless PC card, which uses radio frequencies to transmit data signals to clients working on desktop PCs, industry-standard notebook PCs or handheld devices. Designed to ensure access to all the standards the RoamAbout access point supports, the RoamAbout multimode client PC card enables users of IEEE 802.11a-, 802.11band 802.11g-compliant wireless products to integrate all compliant devices easily, providing total interoperability and making wireless communication effortless. Clients using the multimode PC card are able to roam from cell to cell regardless of the transmission frequency as long as they are authorized users of the network. The multimode wireless PC card has a 32-bit CardBus interface. Compliance with 802.11a, 802.11b and 802.11g ensures throughput of up to 54 Mbps, in addition to vendor interoperability, seamless integration and investment protection. Amazon.com

Enterasys RoamAbout 802.11 A/B/G Wireless LAN Client PC Card (RBTBG-AW)