Indeed Sprint is CDMA although their newer towers could support GSM with a software update and they do own some 900 Mhz spectrum, I'd be surprised if they go GSM. I'd also be surprised if the Airave radio is software upgradable.

-a

On Fri, Feb 18, 2011 at 4:06 PM, Harald Welte <laforge@gnumonks.org> wrote:
On Wed, Feb 16, 2011 at 04:33:05PM +0100, Axel Walsleben wrote:
> Hi List,
>
> has anyone tested to port the software to the hardware from airvana ?
> Airvana builds Femto Stations that are sold through Sprint US. you can
> get them via Ebay vor less than 200 USD.

The only Sprint femtocells I know are Samsung Airave, and they are CDMA2000,
i.e. not related to GSM at all.

I have one of them here, just out of curiosity.  It seems to be a very
custom hardware design centered around Altera Hardcopy ASICs.

As Sprint is a CDMA operator (correct me if I'm wrong), it sounds a bit
strange for them to offer GSM femtocells like you claim.  Some quick
web searches turned out that the Airvana supports EV-DO, which once again
is a CDMA2000 feature.

I don't see how this fits at all with GSM

Regards,
       Harald
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