| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication device capable of determining whether the own device exists indoor or outdoor, without interfering with reduction in weight and size.SOLUTION: A communication device 10 includes a communication unit 11 for acquiring at least one of the detection information which changes depending on the fact whether other communication device exists indoor or outdoor, and is detected by the other communication device, and the schedule information of a user managed by the other communication device, by short-range wireless communication, a determination unit 12 for determining whether the own device exists indoor or outdoor by using at least one of the detection information and schedule information thus acquired, and a frequency control unit 13 for stopping output of radio wave in a frequency band allowed to be used only indoors, when a determination is made in the determination unit 12 that the own device exists outdoor.SELECTED DRAWING: Figure 1 |
