900MHz Signal Booster / GSM Signal Repeater with Yagi Antenna

Features1. High-gain linear power amplifier 2. ALC and AGC function technology 3. Ultra-low noise receive amplifier 4. There is no interference to the base station right after the opening of the original system and the base station without the need to adjust parameters 5. Stable and reliable electromagnetic compatibility design 6. The base station dose not cause an increase in background noise but will not lead to a decline in the quality of the base station communications 7. With full-duplex communication mode 8. Dispel the heat effective reasonable the structure is pretty the volume is suitableInstall Repeater1. Step 1: Use your mobile phone to test signal strength outside house or on roof -70dbm is the basic requirement (full bar) 2. Step 2 Install outdoor antenna in that location and keep adjusting point it to signal tower station try to get best signal 3. Step3: Run outdoor coaxial cable into building in a convenient location to connect with signal repeater 4. Step