กระเป๋าใส่บัตร กันขโมย Nfc สะดวก ป้องกันแม่เหล็ก Rfid

Product Description:
Material: Aluminum + plastic + magnetic

First the main functions:

1. Strong static noise suppression
2. Prevent damage to strong electromagnetic fields
3. Prevent others from stealing and stealing your personal information
4. Extend the life of smart cards

Second product introduction:

RFID aluminum card wallet set can effectively cover strong electromagnetic fields strong electrostatic radiation and high temperature for a variety of magnetic cards and IC cards seem to be free from scratches distortion and Output loop protection can also shield the electromagnetic signal of the contactless IC card. Prevent people with adverse intentions from using various card tricks to steal your card the information data in the ID card is used for illegal crimes.

Third the scope of use:

Aluminium RFID Card Wallet Set is suitable for shielding against different types of cards;
1 Suitable for card protection and security;
2. Suitable for preventing various contactless IC card chips from being destroyed preventing information from being leaked information being stolen;
3 Suitable for preventing various IC card chips or IC circuits from being destroyed avoiding the loss of information on the IC card;
4 Suitable for preventing the magnetic stripe from being destroyed by electromagnetic waves resulting in loss of information.

Fourth specification:

1 The shielding efficiency is quite high: > 65dB @ 10 MHz; > 85dB @ 100 MHz
2 Pretty good anti-static: no static electricity surface resistance <0.02
3 Friction resistance: > 10M best possible shielding