2 Pack of Alfa 2.4HGz 7dBi Booster RP-SMA Panel High-Gain Screw-On Swivel Antenna for Alfa AWUS036H, AWUS036H1W, AWUS036NHV, AWUS036NHR, AWUS036NHA, AWUS051NH, AWUS036EW, AWUS036NEH, AWUS036NH, AWUS050NH, AIPW610H, APA05, WUS048NH and R36 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 connection 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)