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