TP-LINK WiFi adapter 4 USB N300 TL-WN821N

Operates at a wireless speed of 300 Mbps, ideal for
streaming video, online gaming and calls over
the Internet.
MIMO technology provides a higher level of penetration, a
wider wireless coverage, better performance and greater stability.
Supports WPA/WPA2 encryption as well as 64/128/152-bit WPE
Supports Ad-hoc and infrastructure modes
Supports Windows 2000 / XP / Vista / 7
Fully compatible with IEEE 802.11b/g/n devices
Supports Sony PSP X-link mode for online gaming under
Windows XP
The included utility CD enables quick installation and configuration and
SIMPLE
Set up a highly secure connection by simply pressing the
QSS
Hardware Features
Interfaces USB 2.0
Buttons QSS button
Dimensions (W X D X H) 3.4 x 1.0 x 0.5 in. (86 x 26 x 12mm)
Antenna type Built-in
WIRELESS FEATURES
Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11b
Frequency 2.400-2.4835GHz
11n transfer rates: up to 300 Mbps (dynamic)
11g: Up to 54 Mbps (dynamic)
11b: up to 11 Mbps (dynamic)
EIRP <,20dBm(EIRP)
270M Reception Sensitivity: -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
Wireless modes: Ad-Hoc / infrastructure modes
Wireless security: compatible with 64/128-bit WEP,
WPA-PSK/WPA2-PSK
Modulation technology DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM
Others
CE, FCC, RoHS certifications
Package Contents Wireless adapter
Utility CD
Quick installation guide
System requirements: Windows 7 (32/64-bit), Windows
Vista(32/64bits), Windows XP(32/64bits), Windows 2000
Environmental Factors Operating Temperature: 0?~40?
(32?~104?)
Storage temperature : -40?~70? (-40?~158?)
Operating humidity: 10%~90% non-condensing
Storage humidity: 5%~90% non-condensing
Volume (m ³): 0.0008