EMF Protection Elegant, Breathable, Versatile EMF Shielding Netting Anti Radiation Cell Towers/WiFi/Smart - High Protection Netting (10ft x 4.72ft Wide) HIGH protection - Attenuation: 10MHz - 4GHz 35-45dB Perfect for shielding windows and walls, great for lining hats and clothing or draped over the bed Fantastic wifi blocker if you are surrounded by networks Can be sewn and washed on low heat - Extremely breathable ideal for hot climates Will also block digital TV, DECT, Wi-Max, 3G, 4G and other wireless applications