WIFI-CITY 2850UG is in the indoor high power and high receiver sensitivity, long-range USB interface card, its transmission distance of about ten times higher than normal commercially available network cards, measured the distance of up to 3600 meters, work in the 2.4GHz band, in line with IEEE802. 11g standards, using OFDM (orthogonal frequency division) technology, with a high rate, transmission distance and so on. Offers a variety of security mechanisms to ensure that your data security in public networks, such as: support for WPA, based on the 802.1x authentication, MAC access mechanism, WEP encryption. (The card is detachable external antenna design can be extended according to need an external antenna) 

Features: 
·ISM 2.4GHz IEEE 802.11b/g
·DSSS/OFDM Technology
·The world's farthest distance wifi wireless card
·High price
·Detachable antenna can be an external high-power antenna
·1/54 Wireless LAN (software adjustable)
·More than the actual rate of up to 22Mbps
·NIC receive mode up to 3000 meters above the distance (visual)
·Output power 50mW to 500mW (automatic adjustment)
·WEB simplify management using Web-based
·Wide range of operating temperatures from 0 to 55?
·Support for 802.1x authentication system
·MAC Address Control
·The WEP encryption 152bit
·Support any common operating systems, including CE, LINUX , MAC, OS, VISTA 

Package included:(in retail box)
1 X IDU-2850UG 8g
1 X UBS 2.0 Cable
1 X 2dbi Antenna
1 x DRIVER CD