Features: 1.High‑performance WiFi antenna keeps gain up to 49dbi, expand and stabilize the laptop signal. 2.Supports receiving frequency of 700MHZ‑2600MHz, network card antenna helps get better signal. 3.With 1.8‑meter wire of simple installation, plug and play router antenna's quality is guaranteed, you can use it with confidence. 4.The connector adopts double SMA interface, suitable for ZTE MF28G / ZTE MF29T / ZTE MF29S2 / ZTE MF28D / ZTE MF283 / ZTE MF285. 5.Fit for Huawei E5186 / Huawei B890 / Huawei E5175 / Huawei B880 / Huawei B310 / Huawei B315 / Huawei B593u‑12 / Huawei B593s‑22 / Huawei B593u‑91 / Huawei B593u / Huawei E5172S‑22 / Huawei E5172AS‑22 / Huawei E5172 / Huawei B525 / Huawei B612 / Huawei B520s‑93a / Huawei B715 (B715s‑23c). 6.Suitable for Vodafone B4000 / Vodafone B3500 / Vodafone B3000 / Vodafone B2000 / Vodafone B1000 / Alcatel Linkhub HH40 / Alcatel Linkhub HH70 / Alcatel Linkhub. specification:Item Type: Network card antenna Frequency: 700MHZ-2600MHz Standing Waves Ratio: 1.3 Input impedance: 50 nominal value Cable Length: Approx.1.8meter / 5.9ft(there is error in manual measurement) Connector Type: SMA PackageList:1 x Antenna1 x Base