-32763.0 dBm

[Dan Williams]

On Thu, 2012-09-27 at 17:05 +0200, Aleksander Morgado wrote:
> >>>>> Your output with Get Signal Strength was before:
> >>>>>
> >>>>> ECIO:
> >>>>>         Network 'umts': '-126.0 dBm'
> >>>>>
> >>>>> That was given from a raw read value of '252' treated as unsigned. If we
> >>>>> treat that value as signed we would get '-4', which multiplied by (-0.5)
> >>>>> gives us +2dBm.
> >>>>
> >>>> Which takes us to the next issue, which is that EcIo is not supposed to
> >>>> be positive as you usually have more interference/noise than signal
> >>>> energy...
> >>>
> >>> Really? Well, anyway, the last patch seems to give consistent readings:
> >>>
> >>
> >> I pushed the fix now; if someone wants to investigate a bit more
> >> regarding the reported Ec/Io values it would be great.
> > 
> > EC/IO given in dBm should actually be always negative; values of less
> > less than 3 (ie, -2 or -1 which would be really, really good signal)
> > typically aren't seen since they're so good, just like you never get a
> > WiFi signal better than -20 dBm.
> > 
> > Quick overview:
> > 
> > http://www.telecomhall.com/what-is-ecio-and-ebno.aspx
> > 
> 
> Can anyone else check the reported Ec/Io values with other modems? I'm
> still stuck with modems with pretty old NAS, which they don't report
> Ec/Io at all... :/

Does UML290 work here?

Dan