I just took a look at pictures of the 4.3-10..
I REALLY like the fluted part of the female connector. Looks like it has a
better mating surface than the 7-16 does.
If you don’t get the 7-16 nice and tight, (with a wrench, preferably with the
proper torque wrench) they can really cause problems! Been there done that!
Does the 4.3-10 have a better PIM rating than the 7-16?
Thanks
73
Jim W7RY
-----Original Message-----
From: Steve Maki
Sent: Saturday, July 07, 2018 9:59 AM
To: towertalk
Subject: Re: [TowerTalk] N connector, Re: UHF (PL259) soldered center
I use nothing but JMA's because my main customer specifies them. 4.3-10
JMA's for 1/2" corrugated, 1/2" Superflex, 7/8" corrugated, and 1-5/8"
corrugated are widely available, but unfortunately JMA connectors
require an expensive installation tool.
That said, JMA's have a couple of saving graces:
1) One model works on any brand of cable (of similar construction) by
virtue of their unique design.
2) And they are the strongest, best connector (again because of the
unique design)
I'm sure Commscope, Rosenberger, Eupen, etc will have decent stock in
the near future.
-Steve K8LX
On 07/06/18 19:03 PM, john@kk9a.com wrote:
> Thanks for the info Steve, your knowledge of commercial systems is very
> valuable to us on towertalk. 7-16 DIN connectors are indeed very robust. I
> have a few on my 10m system however they are larger than the N and UHF
> connectors that most hams use. So, for the fun of it I purchased an Amphenol
> 4.3-10 jack. It is a very nice looking connector, similar to an N on
> steroids, that would be an easy swap with existing N/UHF jacks. The only
> issue may be with finding 4.3-10 plugs. The Commscope and Amphenol stock is
> very low for LDF4 cable and I found nothing reasonably priced for RG series
> coax.
>
> John KK9A
>
> To: towertalk <towertalk@contesting.com>
> Subject: Re: [TowerTalk] N connector, Re: UHF (PL259) soldered center
> From: Steve Maki <lists@oakcom.org>
> Date: Wed, 27 Jun 2018 19:46:25 -0400
>
> I haven't looked, but I'm guessing that neither of the *mini* DIN series
> have much to choose from as far as connectors for 3/8" braided coax (RG213,
> LMR400, etc). They were developed to be the next generation connector for
> the Remote Radio Head to Antenna jumper interface, which is 1/2" corrugated
> hardline 99% of the time. The availability scenario will improve as time
> goes on, but I'd bet on the 4.3-10 to be the survivor.
>
> Whereas 7-16 DIN has gained enough market share to be available for almost
> all cables, and will be for the foreseeable future.
>
> The 4.1-9.5 has been around for 15 years at least, and is the one properly
> called mini-DIN. The 4.3-10 is much more recent, and was developed
> specifically with ultra low PIM in mind, plus high density jack fields. The
> 4.3-10 is what all new cell equipment is and will be using, especially as we
> move into 5G.
>
> Either series though is a big upgrade to the N in mechanical robustness.
>
> -Steve K8LX
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