Radio Frequency Identification, RFID

Radio Frequency Identification (RFID) uses radio waves to communicate between two objects: a reader and a tag. RFID communication is the same as two way radio communication in the sense that information is transmitted or received via a radio wave at a specific frequency.

Passive tags collect energy from a nearby RFID reader’s interrogating radio waves. Active tags have a local power source such as a battery and may operate at hundreds of meters from the RFID reader.

Emerging RFID applications include:
• Self-checkins at Libraries / rental services as well as retail premises.
• Livestock Management and pet identification.
• Toll/road – collection/charging and control measures. Many more RFID-based payment collection systems.
• Building Security – secure access controls, documentation and passports.
• Airports – for baggage tracking and tracing/locating.
• SMART home controls – systems to manage home/business energy consumption/production.
• Seismic Sensing – such as locating gas lines and temperature sensing (geophysical).
• Environmental – Energy, Ozone & Pollution measuring equipment.


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