rfid overview - sales presentation
Post on 13-Apr-2015
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RRadio adio FFrequency requency IDIDentificationentification
Frequency
DistanceExample
Application
LF 125khz Few cmAuto-
Immobilizer
HF 13.56Mhz 1mBuilding Access
UHF 900Mhz ~7m Supply Chain
μwave 2.4Ghz 10m Traffic Toll
Four main frequencies:Four main frequencies:
• 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
Freq. Freq. RangeRange
125 - 134KHz125 - 134KHz 13.56 MHz13.56 MHz 866 - 915MHz866 - 915MHz 2.45 - 5.8 GHz2.45 - 5.8 GHz
Read Read RangeRange
10 cm10 cm 1M1M 2-7 M2-7 M 1M1M
Market Market shareshare
74%74% 17%17% 6%6% 3%3%
CouplingCoupling MagneticMagnetic MagneticMagnetic Electro Electro magneticmagnetic
Electro Electro magneticmagnetic
Existing Existing standardsstandards
11784/85, 11784/85, 1422314223
18000-3.1, 18000-3.1, 15693,14443 15693,14443 A, B, and CA, B, and C
EPC C0, C1, EPC C0, C1, C1G2, 18000-6C1G2, 18000-6
18000-418000-4
ApplicatioApplicationn
Smart Card, Smart Card, Ticketing, Ticketing, animal animal tagging,tagging,
Access, Access, LaundryLaundry
Small item Small item management, management, supply chain,supply chain,
Anti-theft, Anti-theft, library, library, transportationtransportation
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
EMEAEMEA 866 – 868 MHz866 – 868 MHz
KoreaKorea 908.5 – 914 MHz908.5 – 914 MHz
AustraliaAustralia 918 – 926 MHz918 – 926 MHz
China (PRC)China (PRC) TBDTBD
JapanJapan TBDTBD
TransmitterTransmitter North AmericaNorth America
Output Freq. BandOutput Freq. Band 902 – 928 Mhz902 – 928 Mhz
Output PowerOutput Power 4 watts EIRP4 watts EIRP
TX Channel stepTX Channel step 500Khz500Khz
Hop frequencyHop frequency 2.5 to 20 times per second2.5 to 20 times per second
TX ChannelsTX Channels 902.75, 903.25, …, 902.75, 903.25, …, 927.25Mhz927.25Mhz
ModulationModulation Typically ASK –- 20% to Typically ASK –- 20% to 100% modulation depth100% modulation depth
Note: EIRP = 1.64X ERP (Effective Radiated Power)
The RFID MarketThe RFID Market
Traditional RFID Market Traditional RFID Market SegmentsSegments
Auto ImmobilizersAuto Immobilizers
Access ControlAccess ControlAnimal TrackingAnimal Tracking
Automated Vehicle IdAutomated Vehicle Id
• Isolated systemsIsolated systems• Simple readsSimple reads• Slow growthSlow growth
Usage ModelsUsage Models
HandheldHandheld Smart ShelvesSmart Shelves
Point of SalePoint of Sale
Conveyor BeltConveyor Belt
PrintersPrinters
ForkliftForkliftDock DoorDock Door
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