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Which is best in RFID Technology : Active RFID verse Passive RFID Tags

Which is best in RFID Technology :  Active RFID verse Passive RFID Tags
Active RFID Tags
Are battery or external power operated (like a cell phone)
Have high operating range and can include complex sensors
Are more expensive than passive tags
Need maintenance (e.g. battery exchange)




Passive Tags
Get their power from the reader RF field (reader field ~1000 times as strong as the tag‘s answer)
Do not need maintenance
Are cheaper and more robust than active tags
All tags offered by HID are passive

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