HID Global

High frequency (13.56 MHz), long range readers were historically developed and designed as two-piece devices to pass the Federal Communications Commission (FCC) guidelines. These designs separated the radio frequency (RF) coupler from the antenna. Because the antenna is an RF radiator, placing it into the same housing as the reader causes emissions to be reintroduced into the reader. Therefore at the same time you are mitigating emissions at the reader, you compound this problem with additional emissions from the antenna.

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