Usb Không Dây Tp-link Tl-wn821n 300mbps

Tp-link tl-wn821n 300mbps wireless n usb adapter

Clear channel assessment (cca) automatically avoids conflicting channels using clear channel features of choice and is fully aware of the advantages of binding channels, greatly improving wireless performance.
Compatible with wi-fi protected setup™ (Wps), tl-wn821n quick secure setup(Qss) Allows users to close almost instantly their security only by pressing the "qss" button automatically to build a safe connection with the wpa2, which is safer than the wep encryption. Not just a setup faster but more comfortable because you don 't have to remember the password!

Wireless n usb adapter tl-wn821n allows you to connect desktop computers or notebooks to wireless networks and high-speed internet connections access. Obeying the ieee 802.11n standard, they provide wireless speeds up to 300mbps, which are useful for online games or even video streaming.

Hardware features
Interface Usb 2.0
Button Wps push button.
Dimensions (w x d x h) 2.7x 0.8x0.4 in. (69x21 x 9.5mm)
Type antenna On-board

Wireless features
Wireless standards 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 cent
108m: - 68dbm @ 10% per cent
54m: - 68dbm @ 10% per
11m: - 85dbm @ 8% per cent
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
Authentication Ce, fcc, rohs.
Package contents. Wireless adapter
One usb extension cable
Source cd
Quick installlation 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,