SATO CL408E Guía Del Usuario
Version 0.8
21/10/2004
Page 3 of 44
“ T H E R F I D G U I D E B O O K ”
T A B L E O F C O N T E N T S
FREQUENTLY ASKED QUESTIONS
Page
• How does an RFID system work? ……………………………………….... 4
• Why are supply chains embracing this technology?............................... 4
• What was the first application of RFID? ………………………................ 4
• When was RFID first used to track inventory or livestock? ……………. 4
• What was the first implementation of RFID towards consumer
applications?........................................................................................... 4
• What is the driving force behind the initiative of so many companies to
implement RFID? ……………………………………………......................
4
• What was the “real” reason behind implementing RFID in today’s
society?………………………………………………………………………..
5
• What is the difference between low-, high-, and ultra-high
frequencies?…………………………………………………………………. 6
• How many frequency bands are used around the world for RFID
applications? …………………………………………………………...........
6
• Do all countries use the same frequencies?……………………………… 6
• What are the differences between passive and active tags?.................. 7
• What are the characteristics of RFID tags in terms of data storage
capabilities? ……………………………………………………………….… 8
• What does an RFID reader do?.............................................................. 8
• What are the differences between barcodes and RFID?........................ 9
• Why are line-of-sight barcode readers at a disadvantage over RFID
readers?…………………………………………………………………….…
9
• Would RFID technology ever replace the ever-present barcode?.......... 9
• What are some of the typical applications for inductive coupling tags?
9
• What is the difference between passive and active tags?...................... 11
• Who is EPCglobal?................................................................................. 11
• What are the key goals of EPCglobal?................................................... 12