●Monitoring software can be upgraded locally or remotely;

●Wide dynamic range，low power consumption and noise figure;

●Wide adjustment range for power and gain，high precision of step gain;

and convenient deb ing;

●Protection from over voltage, over current and over temperature

●backup batteries;

●High isolation from uplink to downlink to improve high Stability;

●High reliability and MTBF ≥100,000 hours;