Product Descritpion
Product Detail
In the digital age, RFID blocking card sleeve are essential to protect sensitive information. These blocking card holders are made of special materials that block external signals. Prevent others from unauthorized access to credit card, passport information, and protect card information from being illegally obtained.
They are convenient for daily use, when credit and Visa cards are not in use, just put the card in the blocking card holder to prevent others from stealing information. These card holders are small and beautiful, providing protection and fashion without adding weight.
Function and principle:
RFID shielding card sleeve blocks radio frequency signals through a built-in metal shielding layer to prevent RFID readers from remotely reading card information. Its working principle is based on the Faraday cage effect, that is, the metal shielding layer can absorb or reflect electromagnetic waves, thereby blocking signal transmission.
Features:
High security: effectively prevent RFID cards from being illegally read, protect personal privacy and financial security.
Strong portability: light and compact, easy to carry, can be put into a wallet or pocket.
Good durability: made of high-quality materials, wear-resistant, fold-resistant, and long service life.
Wide compatibility: suitable for various RFID cards, including bank cards, ID cards, transportation cards, etc.
Application:
Daily life: protect personal information such as bank cards and ID cards to prevent electronic theft.
Business travel: protect access cards, transportation cards, etc. to avoid information leakage.
Travel: Use in public places (such as airports and stations) to prevent card information from being stolen.
Special industries: Used in workplaces that require high confidentiality.
More tips about it:
Material: Choose shielding card holders made of aluminum foil or copper mesh for better shielding effect.
Size: Choose a suitable card holder according to the card size to ensure that the card can be fully inserted.
