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Contents
1 Before You Begin
Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Guide Topics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Typographical Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Licensing Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5
U.S. Licensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5
Health Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6
2 Theory of Operation
Overview of RFID Theory 2-3
Components 2-3
Reader 2-4
RF Module 2-5
Antennas 2-5
Tags 2-7
Host Computer 2-8
Operational Characteristics 2-8
Reading Range 2-9
Reading Speed 2-9
Number of Characters Stored in Tag 2-9
Number of Characters Written to an IT2200-Series Tag 2-9
Coding Format of the Tag Data 2-9
Tag Orientation and Placement 2-10
Noise and Interference Immunity 2-10
Frequency and Power 2-11
Tag Lifetime 2-11
Tag Read/Write Accuracy Rate 2-11
Amtech RF Technology 2-11
Signal Transmission and Acquisition 2-12
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