RFID is Radio Frequency Identification. It is an Automated Data Collection Technology that uses radio-frequency waves to transfer data between a reader and a movable item to identify, categorize, track.
Operational Frequencies
Frequency Ranges
LF 125 KHz
HF 13.56 MHz
UHF 868-915 MHz
Microwave 2.45 GHz & 5.8 GHz
Typical Max Read Range(Passive Tags)
Shortest 1"-12"
Short 2"-24"
Medium 1'-10'
Longest 1'-15'
Tag Power Source
Generally Passive Tags only using inductive coupling
Generally Passive Tags only using inductive or capacitive coupling
Active Tags with integral battery or Passive tags using capacitive storage E-field coupling
Active Tags with integral battery or Passive tags using capacitive storage E-field coupling
Data Rate
Slower
Moderate
Fast
Faster
Ability To Read Near Metal or Wet Surface
Better
Moderate
Poor
Worse
Application
Access control & security identifying widgets through manufacturing processes or in harsh environments Ranch animal identification empolyee ID
Library books,Laundry identification access control employee ID
Supply chain tracking high way toll tags
High way toll tags identification of private vehicle fleets in/out of a yard or a facility asset tracking.
