This omnidirectional Wi-Fi 4G antenna with 35dBi amplification can significantly increase the range and strength of your GRPS / GSM / 3G / 4G signal. With 2 SMA connectors you can install them on your router or other mobile broadband devices and get a high-speed network. With a vacuum suction cup. It is easy to install and place anywhere. Applications Huawei B593/B880/E5172/E5175/E5186/B890 etc. You can enjoy a stable and fast Internet speed.