TP-Link TL-WN822N N300 High Gain Wireless USB Adapter 2.4GHz (300Mbps) 1xMini USB2 802.11bgn 2x3dBi Omni Directional Antenna 1.5 meter USB cable 11N speed allows for the best HD video streaming and internet calling experience Dual external antennas deliver enhanced reception and transmission performance Easy one-touch wireless security encryption with the Quick Security Setup button 1.5 meter USB cable enables convenient, flexible deployment Supports Windows XP / Vista / 7 / 8 / 8.1, Mac OS X 10.7~10.10, Linux HARDWARE FEATURES Interface Mini USB 2.0 Button WPS Push Button/Software Dimensions ( W x D x H ) 3.5 x 2.7 x 0.7 in. (90 x 68 x 16.8mm) Antenna Type Dual Omni Directional Antenna Gain 3dBi WIRELESS FEATURES Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency 2.400-2.4835GHz Signal Rate 11n_ Up to 300Mbps(dynamic) 11g_ Up to 54Mbps(dynamic) 11b_ Up to 11Mbps(dynamic) Reception Sensitivity 270M_ -68dBm@10% PER 130M_ -68dBm@10% PER 108M_ -68dBm@10% PER 54M_ -68dBm@10% PER 11M_ -85dBm@8% PER 6M_ -88dBm@10% PER 1M_ -90dBm@8% PER Transmit Power <20dBm(EIRP) Wireless Modes Ad-Hoc / Infrastructure mode Wireless Security Support 64/128 bit WEP, WPA-PSK/WPA2-PSK Modulation Technology DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM Advanced Functions WMM OTHERS Certification CE, FCC, RoHS Package Contents Wireless Adapter TL-WN822N Resource CD Quick Installation Guide 1.5m USB Cable System Requirements Windows 8.1 32/64bit, Windows 8 32/64bit, Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits), Mac OS X 10.7~10.10, Linux Environment Operating Temperature_ 0℃~40℃ (32℉~104℉) Storage Temperature_ -40℃~70℃ (-40℉~158℉) Operating Humidity_ 10%~90% non-condensing Storage Humidity_ 5%~90% non-condensing