It looks like an older DB-4076. However, the model # on the sticker shows
it's an "SP" (special production) model.
Between the type N connectors there is a little cap. Remove that cap - do
you see a trimmer cap inside? If so, it's likely it's a DB-4076 or close
relative. If not, then the cavities aren't pass-reject like they would be
in a DB-4076; instead they are pass-only.
If you're certain that this originally was a duplexer, and that the cables
that are attached are truely the factory-originals, then you should just
need to add a tee. However, if you're unsure, and given that it's an SP
model, it's hard to say with 100% certainty.
--- Jeff WN3A
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Dave
> Sent: Sunday, March 08, 2009 11:46 AM
> To: [email protected]
> Subject: [Repeater-Builder] DB duplexer Question
>
> I acquired this DB duplexer and need information. The cables
> were not connected correctly. However I do have them.
>
> It is for the 440 band I do know.
>
> First question. What would be a good guess of the model # ?
>
> Second question, does anyone have the correct cable lengths
> and where they go?
>
> Attached are some pictures.
>
>
>
> Thanks,
>
>
>
> Dave KA9GFS
>
>
>
>
>
>
>
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