Hi

You are going to fabricate the “base” as a solid piece. Getting a coax style 
connector
into that is just a matter of your credit limit. The larger issue on the device 
is making the
“cover” out of metal. That probably isn’t going to work very well :) Now you 
are off into
a glass cover of some sort with a weld flange on it. If you thought the tooling 
on the
coax connector was exciting, it just took second place …

==========

The bigger question is: If you had the choice of a > $5,000 version of this 
device that
would not fail from (internal) humidity, would you buy a few thousand of them? 
My guess
is that you would still buy the $250 ( I *think* that was the original price …) 
version and 
a couple of spares. 

I’d bet more of them die from lightning hits than from humidity. 

Bob

> On Dec 1, 2020, at 2:03 PM, Hal Murray <[email protected]> wrote:
> 
> 
> [email protected] said:
>> Yes, there’s more to it if you want to get connections in and out. Forget
>> about  “hermetic” connectors, they aren’t up to the task. You need glass to
>> metal seals  embedded in the structure. Now you have even more constraints on
>> the package. 
> 
> What's available in the way of glass-metal seals for coax?  (The antenna 
> signal has to get in somehow.)
> 
> 
> 
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
> 
> 
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