A system including an instrument node and a wireless mesh network having an encryption
key is provided. In response to receiving a scan mode message from the instrument node …

A system including a plurality of network devices including one or more worker monitoring
devices and one or more area monitoring devices is provided. The plurality of network …

Disclosed is an electronic device. In addition, it is possible to implement various
embodiment understood through the present disclosure. The electronic device transmits a …

The electronic device includes Wi-Fi communication cir cuitry; a memory that stores
instructions, and a processor that executes the instructions to, while the electronic device …