What is RFID Signal Blocking Card?

RFID signal blocking card, as the name implies, it is easy to understand according to its name. It has a shielding function and is a kind of special used to shield the outside world from sending out rfid technology signals. The focus is to prevent criminals from obtaining information such as bank cards of the broad masses of people. Plays the role of safety protection.

RFID signal blocking cards can be divided into high frequency and low frequency according to their types. The high frequency is around 13.56mhz and the sensing distance exceeds 1cm. Like the commonly used all-in-one card bus stored-value cards, highway toll cards, parking lots, community management, etc., They are all high-frequency cards. The frequency of low-frequency cards is about 100-125khz, and the sensing distance is about 1cm. It can be said that it needs direct contact to be sense. Low-frequency cards are mainly used for attendance and access control, hotel door locks, and animal tags. Product production management and many other aspects.

RFID signal blocking cards can be divided into two types: with LED lights and without LED lights. The advantage of having LED lights is that it can check whether the card information is safe at any time. When criminals steal the signal equipment, the LED lights of the shielding card will emit light. , Provide security alarm prompts in time, and the shielding card that does not carry the led light is convenient to carry, and each has its own advantages.

RFID signal blocking card (also known as the anti-theft card, shueld card) is specially used to shield the wireless signal of high-frequency smart cards (such as payment cards, bank cards, etc.) to prevent criminals from stealing card information

Smart rfid signal blocking card, just put your smart card with the shielding card provided by our company, and your payment signal will be effectively shielded, no matter what equipment the criminals use,

It is impossible to steal your card information, to ensure that your card information is not infringed, to ensure safe carrying, and to prevent information leakage.