[asterisk-biz] For sale: OpenBTS USRP test rig

[Steve Totaro]

On Tue, Sep 28, 2010 at 3:56 PM, John Todd <jtodd at loligo.com> wrote:
>
> On Sep 27, 2010, at 11:40 AM, Steve Totaro wrote:
>
>> On Mon, Sep 27, 2010 at 2:33 PM, Steve Totaro
>> <stotaro at asteriskhelpdesk.com> wrote:
>>
>> Oh, did you hack the boards to flip between 900mhz and 1800mhz by
>> simply flashing the firmware, does the flex1800 allow for that out of
>> the box?
>>
>> I had to mod my flex900 boards to be able to do it, and if you aren't
>> proficient at it at soldering and cutting a trace on a circuit board,
>> you wind up with junk.
>>
>> Did you get your rig working?
>>
>> Thanks,
>> Steve Totaro
>
>
> Like Bret said, I think the 1800's just get re-flashed.
>
> I don't have the 52mhz clock, but I see there are people on the
> openbts list selling them, perhaps - I haven't had much time to pay
> attention, hence the sale...
>
> I never got this working - I just opened the box.  Time is at a
> premium these days, and despite my intense interest in seeing this
> stuff work, I just know I'm not going to be able to get it done with
> all the other things on the plate.
>
> I really wanted to make an all-in-one cell repeater that I could drag
> with me wherever I happened to go that was out of standard GSM range
> but had Internet access (which is surprisingly quite often.)  Using
> trivial Asterisk tricks, this would allow me to continue using my
> phone seamlessly as long as I was within a few feet of the USRP.  Of
> course, this probably would be classified as rule-breaking due to
> usage of GSM frequencies, so I would not suggest anyone use,
> configure, think about, or even LOOK at a USRP.  Turn away.  NOW.  Go
> on.  Why are you still reading this?
>
> JT
>

Inbound is tricky unless you use forwarding or the bluetooth app.

They are fine in a Faraday cage and you can also get permission from
the FCC for certain frequencies for a certain amount of time.  That is
how the Burning Man was done.  FCC granted them a temp license.

Thanks,
Steve Totaro