Patent ID: 9735872
Date: 2017-08-15
CPC Classifications: H04B,H04J,H04W

Claim:
1. A remote device, comprising: a downlink path control unit configured to transmit a downlink Radio Frequency (RF) signal output from an optical conversion unit to a first remote driving unit, and transmit the downlink RF signal output from the first remote driving unit to a second remote driving unit when the first and second remote driving units are mounted in the remote device, wherein the downlink path control unit is further configured to directly transmit the downlink RF signal output from the optical conversion unit to the second remote driving unit when the first remote driving unit is detached from the remote device and the second remote driving unit is mounted in the remote device, and wherein the first and second remote driving units are configured to be detachably mounted in the remote device, extract transmission signals of different frequency bands, respectively, from the downlink RF signal, and output the transmission signals.