| 摘要 |
A wireless repeater for an in-building service is provided to reduce a fabrication cost and expand the number of remote units at a low cost by directly connecting a base station with a remote through an RF interface without using a doner for relaying between the base station and remote. A master remote unit(200) is connected with a base station(100) by an RF interface, receives an RF signal from the base station(100), splits it into a plurality of signals, and outputs them to a plurality of slave remote units(310-330), or amplifies a signal received from an antenna or each slave remote unit and transmits it to the base station so as to be down-converted. The slave remote units(310-330) are connected with the master remote unit(200) by an RF interface, receive the split signals from the master remote unit(200), and amplify/output them to the antenna, or amplify a signal received by the antenna and transmit it to the master remote unit(200).
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