w'less speeds: 1,2,5.5,6,9,11,12,18,24,36,48&54 mbps (auto rate capable); compatible with 802.11b or 802.11g encryption: hardware-based 40/64-bit & 128-bit wep encryption modulation type:802.11b: direct sequence spread spectrum(cck, dqpsk, dbpsk) 802.11g: orthogonal frequency division multiplexing (64qam,16qam,qpsk,bpsk) stds capability: pc: usb 2.0 compliant win98se, me, 2000 & xp, e'net, rj-45 frequency : 2.4ghz dimensions: 94.5 x 30.2 x 15.2 mm (l x w x h) * 54mbps std 802.11g wireless internet access - 5x the speed of 802.11b * usb 2.0 powered - up to 40x faster than usb 1.1 * new antenna technology allows wireless access at ranges greater than ever before * easy setup via smart wizard install assistant * compact, pocket-sized design * works with all std 802.11g and 802.11b wireless routers & access points