Chunghwa Telecom is the largest integrated telecommunications company in China. The main business covers fixed-line communications, mobile communications and broadband access and the Internet. It also provides enterprise customer information and communication services with technical resources such as big data, security, cloud and network data centers, and develops the Internet of Things and artificial intelligence. Emerging technology services create a high-quality communication environment and wonderful and convenient digital life for customers, and actively develop partnerships with international telecommunications companies to promote internationalization. Recently, they have actively invested in "Corporate Social Responsibility". Recognized by professional institutions at home and abroad, becoming the most valuable and trustworthy information and communications company.
LPWAN technology has the characteristics of low power consumption and long-distance transmission and is very suitable for the application field of the Internet of Things. This product is NB-IoT communication technology with continuous flood detector, with low power consumption, long distance transmission and other characteristics. The equipment adopts lithium battery power supply and small solar panel charging to achieve the purpose of saving construction cost and small location restrictions. The continuous flooding sensor status management mechanism has been uploaded to the Water Resources Department's "Basic Cloud Operating Platform for Water Resources and Internet of Things Sensing", which can be maintained according to the status information. The flooding sensor must be properly handled before the flood season, and the fault will occur during the flood season Notify the maintenance unit to replace the flood sensor in time, so that the disaster prevention unit can quickly apply it.