Clamshell 125Khz RFID Card

125Khz RFID Card is also called an ID Card. Clamshell 125Khz RFID Card is an ID card with a clamshell appearance. ID clamshell cards is embedded with 125Khz chips, such as AT5577, EM4200, TK4100, Hi-tag2 and so on. This proximity access card is powered by and communicated with the RFID reader through RF induction technology. With a similar size to a credit card, but the thickness of the clamshell card is 1.8mm, almost double the thickness of the standard card, so most the people called it a thick card.

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A clamshell 125Khz RFID card is a kind of contactless RFID card, there is a microchip(IC) inside, with a round shape of copper coil and antenna. Then using these cards, the copper coil, and antenna will receive data and pass data to microchip, then chip process the data to the reader, where staff covered the reader will work. The ID card has only a read function and includes only 64bits password with anti-rewrite, Meanwhile, the UID has been fixed by the chip manufacturer, who guarantee that uniqueness in the world will not be changed forever.

Because the clamshell 125Khz RFID card is not controlled by radio frequency, it can be read as a contactless way through water, wood, and organic organization. Just for this reason, a 125Khz RFID card is very good for these applications, such as suitable near distance, low speed, and a few data situations. So 125Khz RFID cards are used for access control, hotel lock, animal label, and products production management, meeting attendance, e-ticket, laundry management, club consumption, logistics, subway, industrial automation, and so on.

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Q: Why hotels prefer to use the AT5577 125Khz RFID cards as a hotel lock card?

A: Hotel 125Khz AT5577 blank card is a very important part of the hotel lock system, if replaced mechanical key, improved the efficiency of hotel management. In the past years, hotels used still mechanical door locks, there should be a large key box at the front desk. If the guest lost the mechanical key, the hotel must replace the locks, and keys, which had a very bad efficiency and experience for both of hotel and the guests. Now RFID hotel locks solved this big problem. Every card is blank, and can’t open any locks, after being issued by the encoder, card programmed by point function, like guest room key card, and staff card. There will be no problem with security or lost key.

Q: Are 125Khz RFID Card the high frequency?

A: No. 125Khz RFID Card is the low frequency smart card. But the high frequency for the smart card is 13.56Mhz.

Q: What is an EM card?

A: EM is a standard RFID technology to be used by many Nordic access control systems. EM4200 is the EM chip used with 125Khz today and is compatible with EM4102. EM uses a shorter read range of up to 20CM depending on the environment, reader, and antenna.

Q: How to find the difference between 125Khz and 13.56Khz from the card

A: The shape of the copper coil for the card is different. We just find a light to shine the card, and check the Cooper coil shape. If it is round, then it should be 125Khz. If the copper coil s rectangular, it should be 13.56Mhz.

Q: What is the lead time for 20,000pcs of at5577 printed cards?

A: It takes 6-8 days. If you are urgent to get it, we can arrange the urgent order to speed up and finish them within 4 days.

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