that was my next suggestion....

Jaime Solorza
Wireless Systems Architect
915-861-1390

On Mon, Jan 23, 2017 at 8:39 PM, George Skorup <geo...@cbcast.com> wrote:

> Is it shielded cable? Sounds like the shield has become a radiator, aka
> antenna. Detune it by adding or removing some cable length?
>
> On 1/23/2017 9:32 PM, That One Guy /sarcasm wrote:
>
> place the poe in a faraday cage, it will resolve it, we have a HAM guy
> that has something in 800mhz, same issue, suggested he do that, it resolved
> it, he didnt describe what cage he built
>
> On Mon, Jan 23, 2017 at 9:24 PM, Adam Moffett <dmmoff...@gmail.com> wrote:
>
>> This is above my pay grade.
>>
>> One of our customers was contacted by AT&T, and the customer put them in
>> touch with us.  AT&T was tracking down a source of interference.  The
>> interference was on a 10mhz wide channel centered on 828mhz.  At their
>> tower, AT&T is seeing it 15-20db above the noise floor, so it's pretty
>> significant.
>>
>> Using their spectrum analyzer they tracked it down to our customer's
>> house.  The customer has a wimax CPE on their roof.  Unplugging the CPE
>> makes the interference go away, plugging it back in brings the interference
>> back.  Every time.  AT&T guy goes to another customer's house and
>> confirms that other CPE at different locations don't produce this
>> interference.
>>
>> We figure it's a malfunction in the CPE, so we replace it.  Interference
>> still present.
>> We replaced the PoE.  Interference still present.
>>
>> So we know the Wimax unit doesn't originate the 828mhz signal, but it's
>> somehow an accidental component of a system that does.
>>
>> WTF could be going on?
>>
>>
>
>
> --
> If you only see yourself as part of the team but you don't see your team
> as part of yourself you have already failed as part of the team.
>
>
>

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