Traditional Culture Encyclopedia - Hotel franchise - What is the difference between high-frequency room card and low-frequency room card coil in hotel?
What is the difference between high-frequency room card and low-frequency room card coil in hotel?
The working frequency bai rate is different, and the card type is also different. Low frequency card: the working frequency range of low frequency card is 30kHz~300kHz. Typical operating frequencies are 125KHz and 133KHz. High frequency card: the working frequency range of high frequency card is 300 MHz ~ 300 GHz. Typical operating frequencies are: 325KHz and 533KHz.
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