1. High quality material Wireless radiation blocking up to 99%, provides over 80 90dB shielding! Shielding frequency range from 10kHz to 30GHz. Highperformance conductive fabric is 43 inches wide, resistance below 0.05 Ohm/sq. Faraday fabric made from 20% copper/nickel 80% polyester. 2. RF signal blocking Highshielding nickel and copper composition blocks WiFi, Bluetooth, cell signals, including 5G networks, GPS, RFID, EMI, RFI and EMF radiation shielding. Control electromagnetic interference in space, antielectronic information loss to ensure information . 3. Privacy With this shielding nickelcopper fabric, you can line your bags, purses, and use it to pack your credit cards, or to make a bag for your mobile phone, belt bags, car key bags, travel passport cases, etc. It is effective to shield the signal, WiFi, RFID. Prevent information theft. 4. Wide range of uses It can be used to create covers or mesh barriers according to shielding requirements. It can be used to create Faraday curtains, blankets, tents etc. for intelligent meters, TV screens, sockets, routers, microwave ovens and many other devices and household appliances.