Rosewill RNX-N100 IEEE 802.11b/g/n USB2.0 Wireless-N 2.0 Dongle (1T2R) Up to 300Mbps download and 150 Mbps upload Data Rates/ WPA/WPA2 (AES, 64,128-WEP with shared-key authentication) Cisco CCS V1.0, V2.0 and V3.0 compliant/ Vista/Win7/ MAC Standards: IEEE 802.11b/g, IEEE 802.11n Draft (2.0 Data Rates: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54, 72, 84, and 150 Mbps (150Mbps Tx PHY support) Security: WPA/WPA2 (AES, 64,128-WEP with shared-key authentication) Cisco CCS V1.0, V2.0 and V3.0 compliant Modulation: 802.11g: OFDM (64-QAM, 16-QAM, QPSK, BPSK) 802.11b: DSSS (DBPSK, DQPSK, CCK) Dimensions: 3.0" x 0.9" x 0.4"