The booster is practical and excellent from experience. This device is a **Mobile Network Signal Booster** (Mobile Tri Band Repeater). Its function is to improve phone coverage inside homes, offices, farms, and places where the signal is non-existent. It supports 3 bands: ### Features * It picks up the tower signal within a range of 30 kilometers. * It boosts the mobile signal inside the building. * It improves call quality and reduces قطع (cutting out). * It increases internet speed if the signal is weak. * It supports more than one network and frequency at the same time. * Suitable for large homes, basements, or areas far from towers. * It has LED indicators to show signal and power status. ### How it works It works with: 1. **An external antenna** that picks up the signal from 4G/3G towers of all networks. 2. **The device itself** amplifies the signal and rebroadcasts it. 3. **An internal antenna** to broadcast the 2G or GSM signal.