The answer depends on the type of RFID solution that you are using. Passive low-frequency (LF) and high-frequency (HF) systems have a read range of approximately 3 feet (1 meter). A passive ...
CompTIA no longer offers RFID+ certification, but this book is still available on Amazon. It starts off with RFID basics, including a thorough explanation of what radio signals are, how they behave ...
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