The communication between reader (RFID Reader) with RFID Tag.The communication between reader (RFID Reader) with a RFID Tag depends on the type of Tag before mentioning the details of each communication. The territory between the antenna of the radio signals can be delivered readers have short called Near Field around a Field called Far far away are usually found in the RFID Passive frequency LF and HF to communicate with the reader in the area called Near Field UHF frequency while or higher will communicate with the reader in the Far Field region, therefore, can be seen that the RFID Tag communication in the Far Field are able to communicate at a distance beyond. How to communicate between Tag and Reader have three characteristics: Modulated backscatter, Transmitter type and Transponder type.
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