| 摘要 |
A disclosed communication device includes a controller that outputs a signal; an antenna that transmits a radio wave which corresponds to the signal output from the controller and also outputs a signal which corresponds to a received radio wave to the controller; a first function that receives a signal, which responds to a first radio wave transmitted from the antenna, at the antenna; a second function that receives a second radio wave transmitted from another communication device at the antenna and also returns a signal output from the controller in response to the second radio wave from the antenna; and a unit that prevents the execution of the second function while the first function is being executed and prevents the execution of the first function while the second function is being executed.
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