54m wireless usb adapter Features L usb interface, hot pnp supported L tcp/ ieee 802.11g, ieee 802.11b supported, compliant with wi-fi L ip, ndis3, ndis4, netbeui supported L two working modes available: ad hoc mode and infrastructure mode L transmission rate up to 54mbps covers 300m L network status auto detects and rate auto negotiable L wpa, ieee802.11x, tkip, aes supported L simple configuration, monitor program available L supports the communication of desktop pc and notebook with wlan L wireless roaming supported Specifications Standard and protocols supported ieee 802.11g, ieee 802.11b, csma/ca Bus type usb2.0 Frequency range 2.4óª2.4835ghz Transmission rate 54 mbps, 48 mbps, 36 mbps, 24 mbps, 18 mbps, 12 mbps, 9 mbps, 6 mbps, 11 mbps, 5.5 mbps, 2 mbps, 1 mbps Channels 13 Sequence spread dsss(direct sequence spread spectrum) Data modulation bpsk, qpsk, cck and ofdm(bpsk/qpsk/16-qam/64-qam) Transmission type cck, ofdm Transmission distance up to 100m (indoor), up to 300(outdoor) Antenna gain 2dbi Led indicator link/act(wireless network) Working environment working temperature:0¿¼cóª40¿¼c;store temperature:-20¿¼cóª80¿¼cworking humidity :10%óª95% rh non-condensing Os supported windows9x/me/2000/nt/xp/2003 Oem/odm packaging or generic retail packaging