If the cavities are real small (1" x 1") then probably mobile type used in mobile phones. Usually require 5 MHz split not usable for ham use, but could be used for say MARS repeater.
73, ron, n9ee/r > [Original Message] > From: krmvsjr <[EMAIL PROTECTED]> > To: <Repeater-Builder@yahoogroups.com> > Date: 7/19/2005 11:22:09 AM > Subject: [Repeater-Builder] Airtech duplexer > > Doies anyone have information on Airtech duplexer FA00857/2 ? This is > tuned to 141 and 149 mhz and has 4 small cavities. Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/