Quectel EC20 question

Harald Welte laforge at gnumonks.org
Tue Jan 10 02:16:48 UTC 2017


One more mail before going to bed:

On Tue, Jan 10, 2017 at 03:03:37AM +0100, Harald Welte wrote:
> On Mon, Jan 09, 2017 at 08:57:51PM +0100, Petr Štetiar wrote:
> > according to a lot of sources one would think, that EC20 is based around the
> > Qualcomm MDM9615, but the picture of naked EC20[1] clearly shows, that there
> > is Qualcomm MDM9215 chip soldered on the board. Which source is true? :-) Or
> > it's just a wrong text on that BGA?
> 
> I think it is simply the fact that (at least) for the Linux on the Cortex-A5 it
> doesn't make any difference whether it's running on a 9615 or a 9215.
> The difference is presumably primarily in the cellular radio interface
> and possibly DSP capacity?  From the few publicly available information
> the 9615 adds Ev-DO (3GPP2) capability, while the 9215 is GSM/UMTS/LTE
> (3GPP) only?

See
https://www.qualcomm.com/media/documents/files/gobi-product-specs.pdf

The 9200 is 3GPP-only and 9600 adds 3GPP2/EVDO, both without voice.
The 9215 and 9615 are the voice-enabled versins of both.

-- 
- Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
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