What frequency is hotel card RFID?

HF 13.56 MHz RFID ISO Cards - Personnel Badges Commonly known as employee badges or hotel room cards, ISO Cards of HF 13.56 MHz are commonly used for access control & security needs. Available with both ISO 15693 and 14443 NFC memory chips and with private labeling, custom art.



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Hotel key cards work by using various technologies such as RFID and magnetic stripe. The information encodes inside the key card can only be read by RFID readers or magnetic readers.

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Although there are many types of smart cards, when it comes to hotel smart cards, there are two main types: magstripe and RFID cards. Magstripe cards are the most common type of hotel key card, and they work by storing data on a magnetic stripe that is read by a door lock for hotels.

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RFID or proximity cards don't require the swiping motion. They use radio frequencies to enable access from a programmed short distance (hence the term proximity). RFID cards belong to the group of contactless cards. Usually for proximity cards, the user will need to almost touch the RFID reader to unlock the door.

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Do hotels care if you keep the room key? At most hotels it's not a major problem to not return your room key to the hotel. However, lots of hotels reuse or recycle room key cards so it's always a good practice to leave the key card in your hotel room or to return it to the front desk at the end of your stay.

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As long as it's a plastic key card, you should be fine keeping the card as a souvenir. The cards are re-coded after each stay and they are very inexpensive for the hotel to replace. If you're staying somewhere with an actual key, please ask in advance.

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