In the industrial industry, EPDM rubber sheet is mainly used in anti-corrosion, wear resistance, impact resistance to protect its equipment and devices, such as thermal power plant desulfurization system and water treatment anticorrosion EPDM rubber sheet is mainly used in anti-corrosion. In the mining industry, its EPDM rubber sheet is mainly wear-resistant and impact-resistant to protect its equipment and related pipeline equipment, which can extend the service life of its...

GPS is a widely used technology for navigation and positioning that uses satellite signals to calculate and determine a specific location. This paper will introduce the principle of 4G wireless tracker, location calculation method and factors affecting positioning accuracy, and provide methods to improve positioning accuracy. The gps tracker with temperature sensor works by: The GPS system consists of a group of satellites in Earth orbit and receivers on the ground. The satellite...