ADSWIN Faraday Anti Radiation Fabric EMF Signal Blocking Material EMI,RF,RFID Conductive Shielding Cloth 10Khz-30Ghz for Wallet Briefcase Mezzanine Credit Card Protection,3m/118.11in

[Effective shielding]: The shielding frequency band is 10kHz-30GHz, effectively shielding electromagnetic radiation, and the shielding value reaches 99.9%. It can shield RF/EMI/EMF/LF from cables, switch boxes and other radiation sources, as well as various electromagnetic waves, such as Bluetooth, air conditioners, smart meters, signal towers, mobile phones, routers, microwaves and frequency electric fields. [High efficiency material]: The material composition is base material/Ni+Cu+Ni. Good ductility, easy extrusion processing, good corrosion resistance and weather resistance. Good anti-friction performance, anti-friction times can reach 500,000 times. [Multi-size]: This material is very easy to cut and sew. The width of the product is 110 cm (43.3 in). The thickness is 0.08mm. If you need more accurate or continuous length, please contact us. Otherwise we will send each piece in the size you choose. [High conductivity]: This material is a highly conductive elastic material. Surface resistance: ≤0.05Ω, shielding effectiveness: 70-90db (tested by a third-party authority, with shielding performance test report). [Applicable scenario]: As an insert in a wallet or handbag to protect your credit card from data theft. Make a small bag for mobile phones, smart keys, or anything that accepts or transmits these signals to prevent information leakage and information theft.