Different countries in the world have different operation frequency allocated for UHF RFID technology. Malaysia is using 919 MHz to 923 MHz.
12/Mar/2024
While the UHF RFID with EPC standard specifies a general range for UHF RFID operation start from 860 MHz to 960 MHz, individual countries have regulatory bodies that control the exact frequencies and transmission powers allowed within their borders. This means not every country can use the entire band.
For Malaysia specifically, you'll need to consult the regulations set by the Malaysian Communications and Multimedia Commission (MCMC) to determine the approved UHF frequencies for EPC applications. Do not use any frequency other than this in Malaysia, it will interfere with other devices is Malaysia.
To read more detail about UHF RFID in Malaysia, view below pdf file
https://www.mcmc.gov.my/skmmgovmy/files/attachments/SRSP530RFID.pdf
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