I bought one 450i SM by mistake once, I somehow thought the 3 GHz SM with the integral panel was discontinued when the 450b came out. And I built one of those stupid cables, including the 220 ohm resistors (which I suspect aren’t really needed). Have you tried to buy resistors lately? No more Radio Shacks, Frys doesn’t carry components anymore, I found some in the discontinued items bin at MicroCenter.
Bottom line, when I realized I would also need a 48V POE, I put that SM on the shelf where it still sits today. I’m not sure why you’d want one. On top of everything else, it’s very expensive. I think its claim to fame is the dynamically tuned front end filter, which I guess would help if you had extremely high adjacent channel interference. I should really put it on eBay or something. From: AF <af-boun...@af.afmug.com> On Behalf Of Matt Mangriotis via AF Sent: Thursday, August 27, 2020 12:38 PM To: AnimalFarm Microwave Users Group <af@af.afmug.com> Cc: Matt Mangriotis <matt.mangrio...@cambiumnetworks.com> Subject: Re: [AFMUG] [ External ] Audio tune 450i SMs? Sam – Please see this forum post… https://community.cambiumnetworks.com/t/pmp450i-sm-alignment-tones/54898 Matt From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com> > On Behalf Of Sam Lambie Sent: Thursday, August 27, 2020 12:27 PM To: AnimalFarm Microwave Users Group <af@af.afmug.com <mailto:af@af.afmug.com> > Subject: [ External ] [AFMUG] Audio tune 450i SMs? I just installed my 1st 450i sm and am stumped on how to tune with an audio speaker like the old 450 and 450bs. What am I missing?
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