Works in 2.4Ghz (2.412-2.484Ghz) ISM frequency band.
64/128-bit WEP, WPA, WPA2, WPA-PSK, WPA2-PSK, TKIP/AES encryption.
Transmission distance : indoor up to 100 meters, outdoor up to 400 meters. (The longer distance, the lower rate.)
Supports Windows 2000 / XP/ Vista / 7, Mac OS X & Liunx.
Body size excluding USB connector: 16X23mm.

Package content:
1X USB WiFi Wireless LAN Adapter.
1X CD driver.

Product Dimensions:

3.00 x 1.00 x 0.50 in

0.50 lbs

Shipping Dimensions:

3.00 x 1.00 x 0.50 in