Jerry, I believe that the Model 1965 was a special design, and not a production item. Try contacting Sinclair Tech Support here: [EMAIL PROTECTED]
73, Eric Lemmon WB6FLY -----Original Message----- From: Repeater-Builder@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Sunday, October 12, 2008 9:51 AM To: repeater-builder@yahoogroups.com Subject: [Repeater-Builder] identifying Sinclair UHF Duplexer Model 1965 Can someone pls. give me the basic specs., especially max. power level ?? Small enclosure., approx. 12"x6"x4" high . Rx side has three cavities., square., tx side has two cavities. Tnx for the assist Jerry VE3EXT