Generally speaking, the receiving range of uhf rfid reader is affected by many factors, such as radio frequency, label size and shape, energy of uhf rfid reader, interference from metal objects, and then other other radio frequency devices. In general, the receiving distance of low-frequency
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Generally speaking, there are two types of RF signal coupling between uhf rfid reader and electronic tag. (1) Inductive coupling, that is, the transformer model uses high-frequency alternating magnetic fields in space to achieve coupling, based on the law of electromagnetic induction. (2) Electromagnetic backsc
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The wireless active rfid reader plays an important role in the RFID system and is an important part of the RFID system. The performance of the reader generally affects the quality of the RFID system. According to user surveys on relevant channels, customers need more information and suggest
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1. Active RFID tags Active RFID tags are generally powered by built-in batteries, and different tags use different numbers and shapes of batteries. Advantages: The distance is long. The distance between Active RFID tags and wireless active rfid reader can generally reach tens of meters or even hundreds of meters.
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Active rfid system RFID, that is, radio frequency identification, is a non-contact automatic identification technology, which has the characteristics of small size, long-distance identification, and rapid response. It enables the device and the tag to directly establish a connection through various obstacles, and perf
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