types of rfid tag
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Types of RFID TagPassive, Active, metal mountable, specialty tags, etc.
RFID tags contain antenna to enable them to receive and respond to radio-frequency queries from an RFID transceiver
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Types of RFID Tag (cont.)
Active - with battery for transmit/receive
Semi-active - use battery only when triggered
Passive - no battery, relying on the collection of RF power from reader for tag operation
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RFID Tag – Size Reduction
Left: 3x2” RFID PCB in 1980
Right: .25” square module holds all circuitry and components in current technology
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RFID Tags – What’s New? New Technology
New manufacturing processes Anti-Collision algorithms Smaller/better chips
New Standards Auto-ID Center Standard, inexpensive tags
New Economics High Quantity/Low Price spiral New applications Goal -> a few cents per tag Smaller, Cheaper & Better RFID
Tags are driving new applications
資料來源 :Sun Microsystems