37.898

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RFID (Radio Frequency Identification) is a type of automatic identification technology that uses radio waves to read and capture information from tags or labels attached to objects. In comparison to other identification technologies such as barcodes and QR codes, RFID has many advantages such as longer reading range and faster speed of data collection. It has found much use in a variety of application fields such as asset tracking, self-checkout systems and access control.

The technology behind RFID consists of three parts: a reader, a tag and an antenna. The reader emits radio waves at a frequency of 37.898 MHz, which is the core frequency used for communication. The RF signal is picked up by the antenna and then transferred to the tag. The tag is then powered up by the energy generated from the radio waves, and is able to send its data back to the reader. This process helps create the line-of-site contactless communication between the RFID reader and the tagged object.

RFID technology is used in a wide range of applications. In asset tracking, RFID tags are attached to different items to record their positions and allow automated inventory checks. For example, in a retail store, the RFID tags allow the store to know the exact location of any item they\'re selling. In access control, RFID technology is used to identify authorized personnel to access certain areas. By placing an RFID tag on each employee\'s ID card, employers can keep an eye on the whereabouts of each person in the building. Self-checkout systems in retail stores also use RFID technology. Instead of needing a cashier to scan items, customers can place the items on an RFID reader, which will then detect the items and automatically total the price.

In addition to these three applications, RFID technology has been used in a host of other scenarios. RFID tags are used in automotive parts management to increase parts accuracy and security. RFID technology is also used for automated tracking of animal movements and animal health. RFID tags are used in livestock management to allow farmers to monitor the animals’ health, and to help with ensuring safety by preventing unauthorised access to the animals.

RFID technology is extremely popular due to its ease of use, non-contact operation and versatility. Since its invention, RFID has become an integral part of many everyday technologies. From healthcare to commerce to security, 37.898 MHz RFID systems are used in many applications which help make our lives simpler.

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