| 摘要 |
<p>[PROBLEMS] To provide a multimode portable terminal capable of variously switching over the mode of a network connection according to various needs such as high-quality and high-speed data communication or inexpensive data communication, and a mode switch-over method. [MEANS FOR SOLVING PROBLEMS] A multimode portable terminal connectable to any one of a plurality of radio communication networks with different standards comprises a mode selecting means (51) for presetting mode selection information by the user input, a network judging means (52) for judging in which area of which radio communication network the multimode portable terminal is present on the basis of whether or not there is a radio communication network unique control signal, and a network selecting means (53) for selecting one of the radio communication networks in whose area the multimode portable terminal is present in the order of priority according to the mode selection information.</p> |
