I don’t know what your talking about there, they’re not lined with lead. My cell phone still got service whenever I went into a walk in at every restaurant I worked at when I was in college.
Bestaa is correct in that they greatly diminish the propagation of radio waves. They are not perfect faraday cages but a lot of the better insulated walk ins are very difficult to get radio waves into them. Cell service, walkie talkies, WiFi, GPS.
I’ve never walked into a walk in where my service wasn’t significantly impacted.
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I don’t know what your talking about there, they’re not lined with lead. My cell phone still got service whenever I went into a walk in at every restaurant I worked at when I was in college.
Bestaa is correct in that they greatly diminish the propagation of radio waves. They are not perfect faraday cages but a lot of the better insulated walk ins are very difficult to get radio waves into them. Cell service, walkie talkies, WiFi, GPS.
I’ve never walked into a walk in where my service wasn’t significantly impacted.
Not sure what you’re on about.