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An Introduction to UHF RFID

The latest standardization of the Ultra-High Frequency RFID spectrum is the GS1 UHF Gen2 protocol (ISO/IEC 18000-63), which defines the technical specifications (e.g., physical/logical interactions between devices, anti-collision algorithms, security commands, etc.) for RFID devices operating in the frequency of 860–860 MHz. The ITU designated UHF (Ultra-High Frequency) as the radio frequency range of 300 MHz to […]

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RFID Terminology

Active Tag: A battery-powered RFID tag that powers the circuitry that transmits the signal to a reader. Active tags differ from passive tags in that they have longer read ranges, a higher price tag, and a larger size (due to the battery). Antenna: The element built into both RFID readers and tags that radiates and

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How Does An RFID System Work?

In its most rudimentary form, an RFID system is made up of two parts; a transponder (a tag) and an interrogator (a reader). The transponder, which consists of an inlay which has a microchip, an antenna, and usually a substrate (the stuff that holds the tag’s components together) and optionally an encasing to protect the inlay from

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6 Things That Can Affect An RFID System’s Performance

Performance is important when it comes to implementing and maintaining an RFID system. Here are six common factors that can negatively impact an RFID system’s performance. Interference Interference from other radio-frequency (RF) emitting devices (RFI), such as other RFID readers and Wi-Fi access points, can negatively impact RFID system performance. Power Supply As with any

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