GTMax 2x 9dBi High Gain Booster 7-inch Booster Reverse Polarity SMA Antenna for Wireless Network Routers/APs Brand new replacement antenna.Plug and Play; NO extra pigtails needed. Frequency Band: 2.400 ~ 2.4835 GHz unlicensed ISM band. Impedance: 50 Ohm, VSWR &lt; 1.5 Average. OMNI-Directional; Polarization: Vertical. Maximum Input Power: 50 W.Signal Gain: 9 dBi.