Alfa 2.4HGz 7dBi Booster SMA and TNC Panel High-Gain Screw-On Swivel Antenna for Routers or Network Card Adapters - Fits Linksys WRT54G, WRT54GL, BEFW11S4, WAP54G, WAP11, WSB24, WRT54GS and all 802.11g TNC connectors This Antenna is original Alfa brand - the most trusted nome in network range Fits all routers access points VOIP devices and PCI cards with an RP-SMA and TNC connection (it has a SMA to TNV converter) Replaces Factory Standard Antenna and Boosts the Range of your Router as much as 4x Up to 145% Performance and 150% Distance increase (depends on specific installation situation)