[Arm-netbook] car "infotainment" doesn't upgrade....

[Derek]

luke.leighton <luke.leighton <at> gmail.com> writes:

> it's because they use a
> $0.15 part  <at>  433mhz with a wide-band reception instead of a $1 part
> with proper narrow-band filtering.  i assume that this is also the
> reason why, if you are locked out of your car, you can ask someone
> with a GSM mobile phone to press a duplicate door-opener AT THEIR END
> of the conversation...

Luke, you said this with too straight a face.  Maybe you're just taking the
piss, but GSM uses a voice codec with between 3k and 12k of bandwidth.  If
it's not an audible part of speech, the codec should drop it to the floor.

So, in Britain, are car-door openers audible?