A radio frequency repeater equipment in a radio communication system is disclosed. An indoor space exists under a radio base station of the radio communication system, and a mobile terminal in the indoor space performs radio communications with the radio base station via the radio frequency repeater equipment, the radio frequency repeater equipment includes: a first antenna for receiving a DOWN LINK signal from the radio base station; a first attenuator for attenuating an output of the first antenna; a second antenna for outputting an output of the first attenuator, and for receiving a signal from the mobile terminal; and a second attenuator for attenuating an output of the second antenna.