TP-Link TL-WN821N N300 Wireless N USB Adapter 2.4GHz (300Mbps) 1xUSB2 802.11bgn OnBoard Antenna MIMO technology WPS button Excellent N speed brings best experience for HD video streaming or Internet calls MIMO technology with stronger signal penetration strength, wider wireless coverage, providing better performance and stability Easy wireless security encryption at a push of the WPS button Supports Windows XP / Vista / 7 / 8 / 8.1, Mac OS X 10.7~10.10, Linux HARDWARE FEATURES Interface USB 2.0 Button WPS Push Button Dimensions ( W x D x H ) 2.7x 0.8 x 0.4 in. (69 x 21 x 9.5mm) Antenna Type On-Board 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: -62dBm@10% PER 130M: -65dBm@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 OTHERS Certification CE, FCC, RoHS Package Contents Wireless Adapter One USB extension cable Resource CD Quick Installation Guide System Requirements Windows 8.1/8(32/64bits), 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