We use the water in the most common water pipe as a metaphor to let it simulate RFID, as follows: We compare the water in the water pipe to the magnetic field, he connects the card reader and the card, and the water flow can only flow from the card reader to card. So the card gets energy.
How does the card tell the card reader? It is also very simple. It stops the faucet and lets it flow for a while. It is blocked for a while (the magnetic field is uncoupling, it can't be completely blocked, it is equivalent to blocking some), the card reader knows It is.
Proudtek is one of the first professional RFID products suppliers in China. We have the most advanced production equipment, with a considerable scale production of magnetic cards, smartcards, contactless cards,
As a company depending on product for success, we spend 25% of our annual income on R&D each year, thus we are always positioned at the forefront of the industry technology trend. Over the years, our company has supplied hundreds of millions of wristbands to more than 80 countries worldwide...