According to one example embodiment, a wireless communication device having an associated first serial code. The wireless communication device includes a receiver, a processor, and a transmitter. The wireless communication device starts up intermittently. The receiver receives a second serial code different from the first serial code from a second the wireless communication device different from the wireless communication device. The processor stores the second serial code received by the receiver in a memory, and acquires the first serial code and the second serial code from the memory. The transmitter transmits the first serial code and the second serial code.