A frequency synthesizer is disclosed. The post processor partitions the values into first and second subsets. An inner space of the booth is defined above the bottom wall and an equipment-receiving space is defined beneath the bottom wall. The local content server delivers content information corresponding with to the content request information to the mobile terminal. The fluid storages are formed at the same regular intervals as the electrode parts of the substrate and are connected with each other through fluid passages. The system also includes a transceiver having a plurality of selectable communications passbands.