DCS-LTE 4G Phone Signal Repeater Booster, AU Plug 1. Cover the blind areas of indoor signals, so that there are no blind corners of indoor signals, and solve the inconvenience caused by blind areas. 2. Intelligently enhance the indoor signal to solve the problems of poor mobile phone signal, instability, and poor reception ability 3. Significantly improve the call quality and efficiently increase the signal strength 4. Improve 4G cellular data transmission, solve mobile phone network freezes, and improve mobile 4G Internet loading speed 5. Frequency range: 1800MHz 6. Indoor ceiling receiver: Install it in a place where there is no signal indoors, about 5 meters away from the window, and can be hung on the wall or ceiling 7. Packing list: Host x 1 Small Antenna x 1 Suction Antenna x 1 Power Supply x 1