Fig. 1 IoT EndDevice
Fig. 2 Portable mesh gateway
Fig. 3 Wireless networking environment
Fig. 4 Worker safety management system (plan)
Fig. 5 Utilization and function of the device
Fig. 6 The development sequence of the standard behavior procedure system
Fig. 7 Intelligent Location Tracking System
Fig. 8 Disaster prevention equipment history management system
Fig. 9 Contents and Flow of Big Data
Table. 1 Comparison of characteristics of LoRa and wireless communication technology
Table. 2 Importance of key elements in each stage of disaster and disaster work
References
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