product description : ultra rangeplus dual-band wireless-n expresscard standards : draft ieee 802.11n, ieee 802.11g, ieee 802.11b, ieee 802.11a leds : power, link/act no of antennas : 2 antennas connector type : expresscard/34 modulations : 802.11a : ofdm; 802.11b: cck, qpsk, bpsk 802.11g: ofdm; 802.11n: bpsk, qpsk, 16-qam, 64-qam rf power(eirp) : 802.11a: 13 dbm; 802.11b: 16 dbm; 802.11g: 14 dbm 802.11n: 13.5 dbm, at 2.4 ghz; 11 dbm, at 5.0 ghz receive sensitivity : 802.11a: -65 dbm, at 54 mbps 802.11b: -87 dbm, at 11 mbps 802.11g: -70 dbm, at 54 mbps 802.11n: -61 dbm, at 270 mbps antenna gain : 2.4 dbi, at 2.4 ghz; 1 dbi, at 5.0 ghz security features : wep, wi-fi protected access 2 (wpa2) security key bits : up to 256-bit encryption os requirements : up-to-date windows 2000, xp or vista dimensions : 34 x 9 x 108 mm; weight : 25 g * high-speed wireless-n (draft 802.11n) networking for expresscard pcs * mimo technology uses multiple radios per band to create robust signals for maximum range and speed, with reduced dead spots * operates in the 2.4 and 5ghz radio bands * also connects to wireless-g, -b, and -a network