| 摘要 |
PROBLEM TO BE SOLVED: To provide a composite wireless device that can detect a fault of a reception section in itself without the need for separate provision of a test device for detecting a fault in the reception section. SOLUTION: The composite wireless device (including two or more transmission reception systems each provided with a transmission reception common use antenna, a high frequency signal switching section, an outgoing frequency reception section, an incoming frequency transmission section and a frequency synthesizer section) is compatible with a wireless communication system adopting two frequency division duplex methods or more, uses a control section 112 to allow a second transmission reception common use antenna 107 and a second outgoing frequency reception section 104 to receive a transmission wave sent from a first transmission reception common use antenna 106 and a first incoming frequency transmission section 103 in the case of detecting a fault, and detects a fault in the second outgoing frequency reception section 104 on the basis of the detection result of the reception input level of the second outgoing frequency reception section 104 by means of the second level detection means 111. |
