+9dBi 15" Booster Antenna for Linksys WET11, WET54G, WMP11 PCI Card, WPS11, WMP54G, WMP54GS, WRT54GC Replaces Factory Standard Antenna and Boosts the Range of your Router as much as 4x Fits Most Linksys Routers including: WAP11, WRT54G, WRT54GS, WAP54G, and BEFW11S4 (fits all FMA routers) Some Routers will require two (2) antennas for extended range performance Omni-directional with +9 dB gain (compare to +2.5 dB on factory standard antennas) Operate with AP/Router with RP SMA connector