Duplexers: Theory and Tune Up by dxzone.com

<body> <h1>Duplexers: Theory and Tune Up</h1> Basics on duplexersn type of duplexers and how duplexers works<br><p> <ul> <li>click here to <a href="/cgi-bin/dir/jump.cgi?ID=18413">follow the link</a> <li>if you want to rate <b>Duplexers: Theory and Tune Up</b> use this special <a href="/cgi-bin/dir/rate.cgi?ID=18413">rating form</a> <li>if this link is broken please <a href="/cgi-bin/dir/bad_link.cgi?ID=18413">let us know</a> </ul> <br> <hr> <i>This is <a href="http://www.dxzone.com/">www.dxzone.com</a> ham and amateur radio internet guide page, it requires frames for proper display.</i> </body>