RFID stands for Radio Frequency Identification and this is the wireless non-contact use of radio frequency waves to transfer data. RFID can be categorized as Low Frequence, High Frequence, Ultra High Frequency and Externally High Frequency in accordance with their frequency range

RFID is the process by which items are uniquely identified using radio waves, and NFC (Near Field Technology) is a specialized subset within the family of RFID technology. Specifically, NFC is a branch of High-Frequency (HF) RFID, and both operate at the 13.56 MHz frequency.

  Low Frequency (125kHz)

• General Frequency Range: 30 - 300 kHz
• Primary Frequency Range: 125 - 134 kHz
• Read Range: Contact - 10 Centimeters
• Applications: Animal Tracking, Access Control, Car Key-Fob, Applications with High Volumes of Liquids and Metals
  
• Pros: Works well near Liquids & Metals, Global Standards
• Cons: Very Short Read Range, Limited Quantity of Memory, Low Data Transmission Rate, High Production Cost

 High Frequency (13.56MHz)

• Primary Frequency Range: 13.56 MHz
• Read Range: Near Contact - 30 Centimeters
• Applications: DVD Kiosks, Library Books, Personal ID Cards, Poker/Gaming Chips, NFC Applications
  
• Pros: NFC Global Protocols, Larger Memory Options, Global Standards
• Cons: Short Read Range, Low Data Transmission Rate

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