R R adio adio F F requency requency ID ID entification entification Frequenc y Distance Example Application LF 125khz Few cm Auto- Immobilizer HF 13.56Mhz 1m Building Access UHF 900Mhz ~7m Supply Chain μwave 2.4Ghz 10m Traffic Toll Four main frequencies: Four main frequencies: • Tag wirelessly sends bits of data when Tag wirelessly sends bits of data when it is triggered by a reader it is triggered by a reader • Power source not required for Power source not required for passive tags… a defining benefit passive tags… a defining benefit • Superior capabilities to Superior capabilities to barcode: barcode: – Non Line of Sight Non Line of Sight – Hi-speed, multiple reads Hi-speed, multiple reads – Can read Can read and and write to tags write to tags – Unit specific ID Unit specific ID Focus of this presentation is on UHF
This PPT gives you a brief about RFID solutions and can give your client a better understanding for the RFID solution if they are new to the technology.
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• Tag wirelessly sends bits of data whenTag wirelessly sends bits of data when it is triggered by a reader it is triggered by a reader
• Power source not required for Power source not required for passive tags… a defining benefitpassive tags… a defining benefit
• Superior capabilities to Superior capabilities to barcode:barcode:– Non Line of SightNon Line of Sight– Hi-speed, multiple readsHi-speed, multiple reads– Can read Can read andand write to tags write to tags– Unit specific IDUnit specific ID
Focus of this presentation is on UHF
TagsTags
Types of TagsTypes of Tags– PassivePassive
• Operational power scavenged Operational power scavenged
from reader radiated powerfrom reader radiated power
– Semi-passiveSemi-passive• Operational power provided by batteryOperational power provided by battery
– ActiveActive• Operational power provided by battery - transmitter built Operational power provided by battery - transmitter built
into taginto tag
Tag DetailsTag DetailsLFLF HFHF UHFUHF MicrowaveMicrowave
Transportation Transportation vehicle ID, vehicle ID, Access/SecuritAccess/Security, large item y, large item management, management, supply chainsupply chain
Transportation Transportation vehicle ID vehicle ID (road toll), (road toll), Access/SecuritAccess/Security, large item y, large item management, management, supply chainsupply chain
ReadersReaders
UHF Reader Standards UHF Reader Standards
GEO / CountryGEO / Country Frequency BandFrequency Band
North AmericaNorth America 900 – 930 MHz900 – 930 MHz