Importer520 Wi-Fi RP SMA Wireless Antenna/Router Signal Extend Range Booster (1 Pack, 9 dBi Long Antenna) Brand New Product 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 Operate with AP/Router with RP SMA connector Accessory only.