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|1. (WO2018159496) WIRELESS COMMUNICATION DEVICE|
|Title:||WIRELESS COMMUNICATION DEVICE|
The purpose of the present invention is to make it possible, in a small-scale LAN relay adaptor 6 for collecting various information from a hot-water supply system 1 and transmitting the information to a management server 2 via a wireless LAN router 7, to issue a notification concerning a radio wave reception intensity and the occurrence of various states, such as an error state, using an inexpensive display device, such as an LED, while achieving a decrease in the number of components. A wireless communication device is provided with three LEDs 11, 12, 13 arranged in a single row, and a control unit 8 for performing light emission control for the LEDs 11, 12, 13, wherein the control unit 8 is configured to be able to switch an operation mode to a state display mode or a reception intensity display mode. In the state display mode, the control unit 8 issues a notification of the occurrence of three error states respectively using the three LEDs 11, 12, 13. On the other hand, in the reception intensity display mode, the control unit 8 performs reception intensity display processing for displaying the magnitude of reception intensity from the wireless LAN router 7 using the three LEDs 11, 12, 13 as level meters.