I knew I had this article somewhere on my MacBook Pro ... my filing
system needs to be improved ...
It is an interesting Article on the 'Evolution of the Apple Airport
Base Stations'
http://www.vonwentzel.net/ABS/Evolution/index.html
I'm also thinking 'Am I game enough to try this' to upgrade my
MacMini & add a second antenna to bring it up to Airport Extreme (n)
speeds??
<http://www.nakedbaby.com/miniupgrade/Airport%20Upgrade/Blog/
F2C8C438-04FC-4697-A2DA-C76EC3069C28.html>
Cheers,
Ronni
On 11/07/2007, at 2:29 PM, Ronda Brown wrote:
On 11/07/2007, at 1:26 PM, Severin Crisp wrote:
Is there are firmware upgrade to bring an Airport 802.11g card up
to 802.11n or is there a hardware implication as well?
Severin Crisp
Hi Severin,
It is a hardware difference. The Macs that can be upgraded by the
"enabler" program already have 802.11n hardware.
Apple disabled the n-speed features (for reasons only Apple knows).
This program updates the card's firmware, to re-enable the features.
If your Mac doesn't have one of these cards, then you'll require
new hardware to use 802.11n. It is unlikely you'll be able to get
an upgrade card to replace Apple's AirPort card, but you should
(eventually, if not now) be able to buy a third-party device that
can attach to a PCI, PCIe, USB, FireWire, or Ethernet port to
provide this capability.
On searching MacInTouch:
What makes 'n' different from a, b & g. Short explanation...three
things:
- multiple radios & antennae ~ 802.11n uses MIMO (multiple-in,
multiple-out) antenna arrays that allow for 'steered' beams and the
ability to focuse more energy at a specific location. In some
cases, Apple is currently shipping units that can be configured
with as many as three antennae
- more spectrum, taking advantage of not only 2.4GHz, but also,
5GHz bands
- improved packaging data efficiency via less overhead than
previous methods could be designed for at the time.
Cheers,
Ronni
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