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RFID Tags, Inserts and Smart Labels

RFID Functionality







RFID labels contain an antenna and a chip that can be programmed by RFID module during printing procedure. The quantity of data that is to save as well as storage partition depends on the used chip type. Each chip/each label contains an UID (Unique Identifier) which was programmed at production of chip

RFID frequencies

125 khz

world-wide the same
range < 0,5 m 
slow data rate

13,56 Mhz

world-wide the same
range max. 1 m
medium data speed

UHF 860-950 Mhz

no world-wide standard
range up to 5 m
different power
high data speed

Microwave 2,45-5,8 Ghz

range max. 2 m
very high data rate

RFID applications

• Point of sale
• Library systems
• Luggage labels
• Health care / patients identification
• Supply chain management
• Retail sales

RFID advantages compared to bar codes

• On demand, information onto tag can be modified or extended
• High storage capacity available 96 Bit to 8 Kbytes
• Recording data of different articles (anti collision)
• Multiple tags at the same time readable, fast data recording (bulk read)
• Larger reading distances, no intervisibility necessary
• Resistant to scratches
• Higher reading accuracy, lower error rate

Disadvantages compared to bar codes

• High costs
• Problems with liquids
• Problems with metal cases
• Size of tags (UHF)
• Readability of tags onto products (bottles/labels over angle)
• EMI (electro magnetically interferences) -> No UHF application in medical environment

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