re: cheap "femtocell"

[David Farber <dave () farber net>]

Begin forwarded message:

From: Jim Thompson <jim () netgate com>
Date: January 12, 2010 6:08:42 AM EST
To: dave () farber net, David Josephson <dlj () josephson com>
Subject: Re: [IP] re: cheap "femtocell"

I don't think so.  See 47 CFR 15.202 and 15.215

Jim

On Fri, Jan 8, 2010 at 3:17 PM, Dave Farber <dave () farber net> wrote:




Begin forwarded message:

> From: David Josephson <dlj () josephson com>
> Date: January 8, 2010 8:01:59 PM EST
>
> To: dave () farber net
> Subject: Re: [IP] re:  cheap "femtocell"
>
> Dave,
>
> It is entirely possible that the Magic Jack femtocell could be approved under Part 15 rules, which permit intentional 
> radiators to deliver 500 microvolts per meter at 3 meters (47 CFR 15.209), for frequencies above 960 MHz. I would 
> guess that they intend to use only the 1800/1900 MHz GSM bands, which are not proscribed by the restricted bands in 
> 15.205, and measurements above 1 GHz need only report average power rather than quasi-peak. That amount of power 
> isn't going to capture the signal from any nearby base station, but it could certainly cover a small house as 
> described.
>
> --
> David Josephson
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