Easy installation and operation your self no need to technical person, this device is just plug and playsupports multiple users and devices: experience the fastest network speed with this device that extends your service range up to 60% farther than other boosters can the 2g+3g+4g tri-band booster can support multiple phones and devices, allowing you and all your companions to experience increased signal strength for voice calling and data internet at the same time with multiple usersfast 3g and 4g data speed