| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mobile phone capable of using a general-purpose filter even when being used on a plurality of communication bands. <P>SOLUTION: A mobile phone 1 capable of executing roaming communication using a plurality of communication bands, includes a filter A, a filter B, a switch section 20, and a communication control section 24. The switch section 20 can switch between a transmission route to the signal filter corresponding to the first communication band and a transmission route to the signal filter corresponding to the second communication band. The communication control section 24 controls the switching of the switch section 20. When using a domestic communication band, the communication control section 24 controls the switch section 20 to switch to the filter A, and when using an overseas communication band, controls the switch section 20 to switch to the filter A in a duplicated pass band width W0, and to switch to the filter B in pass bands other than the duplicated pass band width W0. <P>COPYRIGHT: (C)2013,JPO&INPIT |
