Block WiFi Signal Shielding Emf Cell Tower Radiation Shield High Protection Nickel Copper Bed Mat and Earthing Kit Queen 6.56 x 7.87 feet
- This durable fabric shields from TETRA and 4G at 82.4 dB and blocks higher frequencies such as wifi at a pleasing 92.5 dB - see pic.
- Suitable for curtain backing or making into a roller blind.
- When grounded it shields from low fields too.
- Our bed mats are made from this fabric and they come with grounding point making them ideal for the sleeping environment, esp when used in tandem with....