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UHF RFID TAGS SERIAL
UHF RFID TAGS CODE
UHF RFID TAGS PASSWORD

UHF RFID TAGS PASSWORD

Reserved Memory Bank – the Reserved memory bank contains the access and lock passwords which enable the tag memory to be locked by the user and require a password to view or edit.

UHF RFID TAGS SERIAL

This could be information like item type, last service date, or serial number. If the tag does possess a User memory bank, it can be used for user defined data about the item. User Memory Bank – the User memory bank can range from 32 bits to over 64k bits and is not included on every IC.Some manufacturers use a randomized, unique number, while others use random repeating numbers.

UHF RFID TAGS CODE

EPC Memory Bank – contains the Electronic Product Code which can vary in length from 96 to 496 bits.The main variation between ICs is the number of bits in the respective memory banks. Each IC type is unique, and there are only a handful of manufacturers. Integrated Circuit (IC)/Chip – the integrated circuit, also called the chip, contains four memory banks, processing information, send and receive information, and anti-collision protocols. Each type of tag has a uniquely shaped antenna to ensure the best reactance.Ī basic UHF RFID tag is comprised of an antenna and the IC.Īntenna – A tag’s antenna is unique to that specific type of tag and its job is to receive RF waves, energize the IC, and then backscatter the modulated energy to the RFID antenna.The integrated circuit (IC) has four memory banks – EPC, TID, User, Reserved.

The read range can vary from inches to over 120 feet depending on the tag.

An algorithm on each tag called “ Anti-Collision” defines the order in which to reply if multiple tags are in the read area.

The way that tags couple, or talk to, the RFID reader is called “backscatter”.

They do not require line of sight, unlike barcodes.

Those with batteries ( Battery-Assist Passive RFID Tags and Active RFID Tags) can achieve much longer read ranges.

Most do not have a battery, and are powered exclusively by electromagnetic waves.

The remaining, modulated energy that replies to the reader/antenna is known as “backscatter”. The IC turns on, modulates the energy with data from its memory banks, and directs a signal back out through the tag’s antenna. The energy from the waves, harnessed by the RFID tag’s antenna, forms a current moving towards the center of the tag energizing the integrated circuit (IC). The reader/ antenna combination directs electromagnetic radio waves to the RFID tags in the vicinity. RFID tags communicate with RFID readers and antennas via electromagnetic waves. Each tag may vary significantly from another, which makes choosing one that has been designed to work in environments and applications similar to your application essential in order to achieve the best results.

This guide covers the main aspects to consider before deciding on or purchasing an RFID tag. RFID tags can be used to track all types of objects in industries like healthcare, retail, and manufacturing, to keep track of assets or inventory. RFID tags are placed on items to identify or track those items over time or throughout their lifecycle.

The Relationship Between Tag Read Range & Size.

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