Alfa 9dBi WiFi Booster SMA OMNI-Directional High-Gain Screw-On Swivel Antennafor Alfa - WUS036H, WUS036H1W, WUS050NH, AIPW610H, AIP-W610H, APA05, WUS036NH, WUS036NEH, WUS048NH, WUS036EW, WUS051NH AIP-W502U, AP48, AP51, R36, IMESH51, AIP-W502, AWAP601, and AWAP602HW 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 No aiming required - Omni-directional with +9 dB gain Replaces Factory Standard Antenna and Boosts the Range of your Router as much as 4x RP-SMA male connector 90 degree joining near base Length: 14.75-inches (approximate)