<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body>
<div>Under usa law, passive blocking is okay. You may open yourself up to lawsuit is that is a design spec. When you are in a barn made of steel, or a building with heavy rebar in its concrete walls, you are already most of the way to a faraday cage. </div><div><br></div><div>Anything that radiates rf would require FCC acceptance and licensing. Which would be unlikely to be forthcoming. Other countries have different laws. There is an Israeli company that offered for sale a cell phone active jammer, civilian legal according to the sales literature with it.</div><div><br></div><div>Dale</div><div><br></div><div><br></div><div><br></div><div id="composer_signature"><div style="font-size:85%;color:#575757">Sent from my Verizon Wireless 4G LTE smartphone</div></div><br><br>-------- Original message --------<br>From: Keith Arsenault via Stagecraft <stagecraft@theatrical.net> <br>Date: 01/06/2016 10:24 (GMT-05:00) <br>To: Stagecraft Stage Craft List <stagecraft@theatrical.net> <br>Cc: Keith Arsenault <iaeg.sml@gmail.com> <br>Subject: Re: [SML] Huh.. Interesting <br><br>i thought ANY intentional interference was verboten . . . <br><br>Keith Arsenault<br>iaeg.sml@gmail.com<br><br>813 831 3465 office<br>813 205 0893 cellular<br><br><br>"The only difference between myself and a madman is that I am not mad"<br> Salvador Dali<br><br>On Jan 5, 2016, at 5:20 AM, Richard Niederberg via Stagecraft <stagecraft@theatrical.net> wrote:<br><br>> Just make the walls and ceiling of the House in to a Faraday Cage. Backstage wireless communications will remain unaffected. No FCC violation.<br>> /s/ Richard<br><br><br>____________________________________________________________<br>For list information see <http://stagecraft.theprices.net/><br>Stagecraft mailing list<br>Stagecraft@theatrical.net<br>http://theatrical.net/mailman/listinfo/stagecraft_theatrical.net<br></body></html>