Main features l Monitor software can be upgraded locally and remotely; l High linearity PA、and low spurious intermodulation output; l ALC;  l Software set up gain, power and channel; l Main module self-test and alarm; l High reliability,MTBF≥100,000 hours; l Perfect remote and local network monitoring function. Main functions: l Auto Shut-Down  l Over output protection l High isolation from uplink to downlink， l Open-door and alarm l ALC  l Software setting on gain,power and channel l Display output data  l Main module self-test and alarm Application range: l mainly applied in office, large marketplace, large underground park, exhibit center, factory and so on.