Antennas in the data center

Thu Jul 18 15:32:46 UTC 2019

On 7/18/19 7:54 AM, Robert Webb wrote:
> Thanks for the info on the standards portion.
>
> The booster configuration has been setup in a test scenario where the 
> external antenna has been placed outside with line of site to the 
> tower, less than a tenth of a mile away, with the feed cable run down 
> a hallway indoors, the booster connected, and the indoor antenna 
> connected (not in the data center though).
>
> Test with LTE equipment, ie. cell phones, has brought the signal from 
> barely a single bar of 1x to 4 bars of LTE with good speeds.
>
> Manager has no issue with equipment purchased and has polled the other 
> tenants in the same data center and they are also OK with it. He has 
> just cited that there is some standard but has not been forthcoming 
> with any documentation.
>
> I figured if there was such a standard then someone here would 
> probably have run across it at some time.

Is he denying on some industry "LTE" standard or some other data center 
or security standard?

>
> I am getting the feeling this is just something he has heard or been 
> told in the past and really doesn't know.
>
>
>
> On Thu, Jul 18, 2019 at 9:35 AM Matt Harris <matt at netfire.net 
> <mailto:matt at netfire.net>> wrote:
>
>     On Thu, Jul 18, 2019 at 8:30 AM Robert Webb <rwfireguru at gmail.com
>     <mailto:rwfireguru at gmail.com>> wrote:
>
>         So I have a situation where I am trying to get LTE to an out
>         of band router and there is no signal available in the data
>         center. There was a booster setup purchased and I have a
>         manager telling me that standards, industry and not local,
>         prohibit the installation.
>
>         He has yet to produce any documented industry standard so I
>         thought I would reach out to see if anyone here has heard of this.
>
>         We fall under NIST controls and I haven't found anything there
>         and have also looked at TIA and not found anything.
>
>
>     I've never heard of any industry standard preventing such a thing.
>     There are a few questions this raises though. The first and most
>     obvious being, are you sure that a "booster setup" will actually
>     help? Have you done a site survey to figure out how to actually
>     accomplish what you need to accomplish? The other question is
>     whether perhaps the issue he has is with the specific "booster
>     setup" chosen. Perhaps there's something naughty about it, in
>     particular, that has caused him to not want it in his facility
>     (cheap Chinese radios are known, for example, for polluting the
>     spectrum outside of the frequencies that they are designed to
>     operate within.) Maybe he has other folks doing legit RF stuff in
>     there and doesn't want to risk that pollution?
>

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