High-gain linear power amplifier Automatic level control Ultra-low noise receiver amplifier There is no interference to the base station after the opening of the original system without the need to adjust the parameters of the base station Stable and reliable electromagnetic compatibility design The base station does not cause an increase in background noise the base station will not lead to a decline in communication quality Full duplex communication Heat effective and reasonable beautiful structure suitable volume Up: 890~915MHz 1920~1990MHz; Down: 935~960MHz 2110~2180MHz. Amplification power: 1W; SNR: 75dB