Dimensions:Length 10 "Width 11 "Height 4 "Weight 2.99 lbs  (less)

the Booster Antenna to your Router or network device and you'll experience an instant jump in performance: up to 4x the signal strength and 3x the range. Installation is very easy - just twist off the factory antenna and twist on the Booster Antenna. This products is ideal for home and office environments. It is compatible with all 802.11b and 802.11g networks and extends Wireless LAN into hard-to-reach areas at home or in the office. Increases the effective range of an Access Point or a Router while reducing interference and noise. Easy no-tools installation of this antenna (twist-on / twist-off.) Complete with Lifetime Warranty.  (less)

with your router, access point, VOIP device, or PCI card. Because it is omni-directional, no aiming is equired - it can send and receive WiFi in all directions. This Alfa antenna is stronger then the less powerful booster antennas offered by major manufacturers (Linksys HGA7S and HGA7T.) Installation is very easy - just twist off the factory antenna and twist on our Booster Antenna and you'll experience an instant jump in PLEASE NOTE THAT THE INCREASE IN SIGNAL STRENGTH DEPENDS MOSTLY ON YOUR ROUTER OR ADAPTER THIS HELPS TO BUT IT CANNOT TRANSMIT OR RECEIVE POWER THAT YOUR MODEM OR ADAPTER DOES NOT HAVE!!! IT JUST GIVES MORE RANGE NOT STRONGER POWER!!  (less)