Router Guard 642337772023 Large WiFi Router Faraday Cage EMF Shield CoverA Faraday cage enclosure designed for large WiFi routers that reduces EMF exposure while your router continues operating. Ideal for households seeking to minimize electromagnetic field exposure from networking equipment without sacrificing internet connectivity. Installation is straightforward—place your router inside and secure the top, with no tools or router disconnection required. The spacious interior accommodates newer, larger router models with external antennas.