摘要 |
PROBLEM TO BE SOLVED: To broadcast the content of emergency broadcast, or the like, transmitted in municipal disaster prevention broadcast wireless communication system, in an area revival wireless communication system while interlocking therewith.SOLUTION: A first wireless communication system comprises: a first master station transmitting a wireless digital sound signal at a first frequency; and a first slave station for converting the digital sound signal received into a first analog sound signal. A second wireless communication system comprises: a second master station transmitting a second wireless analog sound signal at a second frequency; and a second slave station for outputting the second analog sound signal received as an audio output. The first slave station is connected with the second master station, and transmits the digital sound signal received from the first master station to the second master station while converting into the first analog sound signal. The second master station transmits the first wireless analog sound signal received to the second slave station, and the second slave station outputs the first analog sound signal received as an audio output. |