CM100 positioning badge is a personnel positioning product series developed by Weichuan Technology based on the standard LoRaWAN protocol. Among them, CM100_ST supports Bluetooth beacon positioning technology, built-in acceleration sensor, and can upload personnel location information to the management platform at regular intervals. The product also has a one click alarm function, which facilitates users to issue a distress signal in emergency or sudden situations. The industrial license plate is equipped with a built-in lithium battery, which is rechargeable and reusable. Positioning signs have the advantages of small size, low power consumption, and easy use, and can be widely used in school and enterprise personnel attendance management, visitor supervision, environmental sanitation inspections, and other fields.