Not quite... the usual understanding of the terms is that a duplexer provides isolation between 2 devices (typically a repeater transmitter and receiver) operating in the same band, while a diplexer is for devices in different bands, ie, 2 meters and 70 centimeters.
George, KA3HSW ----- Original Message ----- From: "Andrew Rich" <vk4...@tech-software.net> To: "N8GBU" <n8...@buckeye-express.com> Cc: "AMSAT" <AMSAT-BB@amsat.org> Sent: Friday, April 08, 2011 9:22 PM Subject: [amsat-bb] Re: Diplexer > Duplexor = tx rx more than one freq > Diplexor = rx only more than one freq > > > Sent from my iPhone > Andrew Rich > _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb