Speedingiot K5147 is a very durable special rfid tag. This rfid smart tag is mainly made of a special antenna design and packaged with engineering plastics, which can effectively prevent metal from interfering with radio frequency identification signals, so that the tag attached to the metal can obtain The reading performance of up to 10 meters away, when it is buried in 5cm deep cement, the reading distance can still reach 4.5 meters away, the product is waterproof, anti-collision, and can be used outdoors. This product is widely used in indoor asset management, inspection management, and tool management, small size, easy installation, product performance is stable and reliable. Highway cement road security inspection management, large-scale open-air power equipment inspection, large-scale tower electric pole inspection, large and medium-sized elevator inspection, pallet management, large pressure vessel, liquefier cylinder, factory industrial automation equipment management, metal bridge quality inspection, tunnel inspection, machine identification, vehicle license plate, metal container management, product tracking of various electric household equipment