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RFID


RFID is one of way to cognition system which transmits equipments and environments information with tiny chips on hardware equipment remotely. You can check saved information remotely if you put tiny chip with RFID tag on your hardware equipment.
RFID is one of next generation technology which instead of bar-code system. We use RFID for grasp equipment¡¯s information which has contact problem with security causes, and we develop lots of services with using RFID.
Differences between existing bar-code and RFID

dividing Bar-code RFID
Method Optical character recognition
Read Only
Wireless
Read/Write
Volume of Information Several tens words Several thousands words
Distance Maximum several tens Centimeter Maximum 100 meter
Speed Individual scanning Maximum several hundreds
Management level Merchandise group Each merchandise (Serial number)
Price Level print under US 100.00 dollars Several cents for tag


Specialize type of frequency

Frequency Specification Available part of apply
Low frequency
(125§Õ & 134§Õ)
- Short distance (Less than 1 meter)
- Low price
- Slow

- Entrance / exit control
- Animal identification
- Stock management
Middle frequency
(13.56§Ö)
- Middle / low price
- Apply mutuality
- Excellent for permeability of nonmetal obstacle
- Entrance / exit control
- Smart cards
High frequency territory
(433MHz)
- High price
- Activity
- long cognitive distance
- Identify and pursuit containers
High frequency territory
(860--960MHz)
- low price, Long distance available(~10m)
- low cognitive power for metal or fluid
- Manually
- Part of distributed goods
Micro frequency territory
(Microwave: 2.45§×)
- long distance (~27m)
- Fast
- cognition disable when shelter existing
- High price
- Monitoring vehicle flows
- Toll-gate system
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