| 摘要 |
A repeater relays at least one frequency band signal between a base station and a service side, includes at least one variable attenuator for variably attenuating each of at least one frequency band signal, variably attenuates an input signal that is received from the base station through the variable attenuator, and transfers the input signal to the service side. Further, a remote management system of the repeater communicates through the repeater and a mobile communication network and includes a repeater management server for requesting to change an attenuation value of the variable attenuator to the repeater when the input signal is an excess input signal. When an excess input signal is received in the repeater using the repeater and a remote management system of the repeater, an input signal level of the repeater can be remotely adjusted and an input signal level of the repeater can be managed without directly going out to the location, so that a maintenance cost of the repeater can be reduced.
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