WIRELESS DEVICE

PROBLEM TO BE SOLVED: To prevent notification of occurrence of an alarm state or a fault state by a false report of an alarm device in a remote place when wirelessly connecting respective alarm devices to notify, even in not only the neighbor alarm device but also in the alarm device in the remote place, the fault state or the alarm state detected in the alarm device. SOLUTION: A wireless unit 2, 3 installed in one's own dwelling unit transmits alarm generation data becoming a start that a wireless unit 2, 3 installed in another dwelling unit outputs an alarm notification signal to a gas leakage alarm 1 or a fire alarm 4 of a connection destination in a state that timing is delayed to a time point after a waiting time lapses from input of an alarm signal from the gas leakage alarm 1 or the fire alarm 4 by use of a second channel different from a first channel used for the transmission of the alarm generation data becoming the start that the wireless unit 2, 3 outputs the alarm notification signal to the gas leakage alarm 1 or the fire alarm 4 of the connection destination. COPYRIGHT: (C)2007,JPO&INPIT