Requires AirPort Extreme ready system. AirPort Extreme cards cannot be
used in older AirPort card bays (PCMCIA form factor slot).
So is it only the very latest Powerbooks that can use these?
--
Tony Lawrence
Free SCO and Linux Skills Tests: http://aplawrence.com/skillstest.html
On Fri, 10 Jan 2003, Tony Lawrence wrote:
> I've tried to figure this out from Apples site but they sure don't say
> much:
>
> Requires AirPort Extreme ready system. AirPort Extreme cards cannot be
> used in older AirPort card bays (PCMCIA form factor slot).
>
> So is it only the very latest Powerbooks that can use these?
Yes. Planned obsolescence at its finest.
KeS
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> On Fri, 10 Jan 2003, Tony Lawrence wrote:
>
> > I've tried to figure this out from Apples site but they sure don't say
> > much:
> >
> > Requires AirPort Extreme ready system. AirPort Extreme cards cannot be
> > used in older AirPort card bays (PCMCIA form factor slot).
> >
> > So is it only the very latest Powerbooks that can use these?
>
> Yes. Planned obsolescence at its finest.
One could just recognize that something better came along and was
adopted. Using the best that you have and moving up when it's practical
is a different thing from planned obsolescence.
For the moment.
It's conceivable (and IMO, likely) that somebody (even if not Apple)
will come up with an 802.11g card for PCMCIA, PCI or perhaps even
FireWire.
Note, however, that AirPort Extreme is also 802.11b compatible, so
older AirPort equipped Macs can share the wireless LAN with AirPort
Extreme Macs, albeit at the slower speed.
-- David
> It's conceivable (and IMO, likely) that somebody (even if not Apple)
> will come up with an 802.11g card for PCMCIA, PCI or perhaps even
> FireWire.
But there never will be internal Versions of these. This is cause
the antenna is completely different for 802.11g cause of the
different frequency which is used. (5 GHz in g and 2.4 in b)
--
bye Andreas
Did you have a point? Is this somehow a reaons to avoid using AirPort
Extreme? Or do you just enjoy stating the obvious?
-- David
In article <avpl38$816$1...@lucy.ping.de>,
Andreas Rossbacher <a...@dorf.wh.uni-dortmund.de> wrote:
That's incorrect - you may be thinking of 802.11a. 803.11b uses the
same frequency range as 802.11b.
> Andreas Rossbacher <a...@dorf.wh.uni-dortmund.de> writes:
> > David C. wrote:
> >>
> >> It's conceivable (and IMO, likely) that somebody (even if not
> >> Apple) will come up with an 802.11g card for PCMCIA, PCI or perhaps
> >> even FireWire.
> >
> > But there never will be internal Versions of these. This is cause
> > the antenna is completely different for 802.11g cause of the
> > different frequency which is used. (5 GHz in g and 2.4 in b)
Ok, thanks, this is the info I've been looking for! :) Now,
unfortunately, I can forget hoping for Airport Extreme in my iBook...
> Did you have a point? Is this somehow a reaons to avoid using AirPort
> Extreme? Or do you just enjoy stating the obvious?
>
> -- David
What? How can this info be interpreted as a reason to aviod AirPort
Extreme? Mr. Rossbacher just explained why we won't see an AirPort
Extreme adapter for the current iBooks. The difference in frequencies
was not obvious, at least not to me..
--
jaknudsen
As stated in an earlier post, the difference in frequencies was a
mistake. 802.11b (Airport) operates at 2.4GHz. 802.11a (some new flavor
of WiFi, I don't know any catchy names for it) operates at 5GHz and is
NOT compatible with 802.11b. 802.11g (Airport Extreme) operates at
2.4GHz, and IS compatible with 802.11b (each is limited to its own max
bandwidth--11 or 54megabit, IIRC--but they will see and talk to each
other).
Later.
> Did you have a point? Is this somehow a reaons to avoid using AirPort
> Extreme? Or do you just enjoy stating the obvious?
WellI don't. :-) And so I have to correct myself cause i mixed
up 802.11a (which is in 5 GHz band and already a standard) and
802.11g which apple uses for Airport Extreme. Which is in 2.4 GHz
band. So the antennas should not be the point. Sorry for that.
The strange thing about it is: 802.11g is no IEEE standard yet.
the IEEE will not ratify it before fall 2003 as it is mentioned
form a lot of sources.
--
bye Andreas Rossbacher
> What? How can this info be interpreted as a reason to aviod AirPort
> Extreme? Mr. Rossbacher just explained why we won't see an AirPort
> Extreme adapter for the current iBooks. The difference in frequencies
> was not obvious, at least not to me..
I was wrong, mixing up standards, I'm sorry see another article
form me oin this topic. So it might be possible for apple to bring
out one.
--
bye Andreas Rossbacher
> > So is it only the very latest Powerbooks that can use these?
>
> Yes. Planned obsolescence at its finest.
It's called the march of progress, but that concept is lost on people
using machines that still have <snicker> parallel ports and floppy
drives.
Anyway, rumor has it that Apple is testing software that allows the
older AirPort cards to run at 802.11g speeds:
<http://www.apple-x.net/modules.php?op=modload&name=News&file=article&sid
=175&mode=thread&order=0&thold=0>
~Philly
> As stated in an earlier post, the difference in frequencies was a
> mistake. 802.11b (Airport) operates at 2.4GHz. 802.11a (some new flavor
> of WiFi, I don't know any catchy names for it) operates at 5GHz and is
> NOT compatible with 802.11b. 802.11g (Airport Extreme) operates at
> 2.4GHz, and IS compatible with 802.11b (each is limited to its own max
> bandwidth--11 or 54megabit, IIRC--but they will see and talk to each
> other).
That in itself should tell you that it's not strictly an antenna or
frequency issue. If a .11g speaks to a .11b, then it must use both
frequencies. N'est pas?
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I'm not sure what you mean by "it must use both frequencies", but let me
try to clear it up:
802.11b: 2.4GHz ISM
802.11g: 2.4GHz ISM
802.11a: 5GHz UNII
AirPort and AirPort Extreme operate only in the 2.4GHz ISM band.
Steve
--
Steve Fenwick Anti-spammed address: steve (at) stevefenwick (dot) com