| 摘要 |
PROBLEM TO BE SOLVED: To obtain a radio relay device capable of relaying radio communication with simple control according to a meteorological condition.SOLUTION: The radio relay device includes: a directional antenna for receiving a radio signal; reception power measurement unit 22 for measuring reception signal power received by the directional antenna; an amplifier unit 21 for amplifying the reception signal; a signal output unit 24 for outputting either the amplified signal output from the amplifier unit or a null signal; an output control unit 23 for controlling the output of the signal output unit 24 on the basis of the reception power measured by the reception power measurement unit 22; and a directional antenna for transmitting an output signal from the signal output unit 24 as a radio signal. |
