product description : wireless-n nic card for desktop pc ntwk std supp : ieee 802.11b, ieee 802.11g, draft ieee 802.11n, pci 2.3 protocol : 802.11b: cck, qpsk, bpsk,802.11g: ofdm,wireless-n: bpsk, qpsk, 16-qam, 64-qam transmitted power 802.11g: 121dbm (typical) receive sensitivity: 54mbps @ -70dbm (typical) security features : up to 256-bit wireless encryption dimensions : 133 x 22 x 121 mm ; weight : 0.062 kg inc : ext antenna sys req : (min) pc with 600 mhz+ proc, 256 mb ram , cd-rom, pci slot os : win 2k, xp with sp1+ * increases range up to 4x, and speed up to 12x, over wireless-g (802.11g) * compatible with wireless-b (802.11b) and wireless-g (802.11g) * easy-to-use setup wizard * supports up to 256-bit wireless encryption * 32-bit pci interface * plug-and-play operation provides easy setup * compatible with microsoft windows 2000 and xp