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Introduction Overview of RFID Technology Physicsof RFID RFID Middleware RFID Application Help Exit

I w

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BsimTEi

Freąuencies of RFID

B Electric Waves

Radio Waves

Visible Light

I Ultra-Violet I

X-Rays

Gamma Rays

Cosmic Rays

Radio Spectrum

3 KHz J 30 KHz ,    300 KHz J I 3000 KHz - 30 MHz _■ 300 MHz -I 3000 MHz .    30 GHz J 300 GHz J 3000 GHz

; 13.56 MHz ;

915 MHz

2.4 GHz

125-134 KHz

125-134 KHz

Applications - This frequency is used in Access Control, Livestock Automotive Immmobilizers, prepayment devices etc.

Description and Rangę - Low frequency and rangę is less than 0.5 meters.

Advantages - Good for reading smali amount of data at slow speeds. penetrates materials well like wood, tissue, water.

Disadvantages - Does not penetrates metals like iron, Steel, Handles only smali amount of data, Large antennas.