Generally, the radio must be tuned to various frequencies to hear the several different channels. RFID readers usually have to be tuned to similar frequency to communicate. The RFID system can use numerous types of frequencies and the most commonly used frequencies are ultra high frequency or UHF, high frequency or HF and low frequency or LF. Here, the high frequency range is 13.56, low frequency is ranged from 125 to 314 kHz and the ultra high frequency ranged from 433 and 860 to 960 MHz. Based on your application, you may choose the right frequency, but the high frequency RFID reader is most commonly used in several applications because that can even work in the inches ranges.
When compared to other frequency ranges, the high frequency RFID readers are usually working well on all the objects made from metal. It also works around the items with medium to high water content. Usually, the high frequency RFID systems are working in the range of inches, but they also have a top read range of three feet, i.e. one meter. This sort of RFID applications normally includes the following details such as transit tickets, tracking library books and patient flow tracking and so on.
The different countries assign the various bands of the RFID radio spectrum. But no other technology can satisfy the requirements of potential and current markets. So the industry has worked well to standardize these three main RF bands such as UHF, HF and LF. Even most of the countries have various bandwidth as well as power restrictions for HF RFID systems. Many RFID store provides high frequency RFID reader or writer for every brand name on the market. They aim to continually update as well as add the perfect RFID readers in order to keep the customers up-to-date with new technologies and products.
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