Questions about 802.11g-108 Mbps

[MarkW]

I put a Wi-FI access point in my house around 2 months ago. It's
linksys and is the 54 mbps speed. I use a IBM Thinkpad R50 which has
built in 802.11g which I believe is also 54mbps
My question, now whenever I look at web sites I see 802.11g listed as
108mbps in products from Linksys, Netgear, and D-Link. Are these
proprietary speeds or is this part of the finalized standard? My
point, if I upgrade to a Dlink 108mbps and use a Linksys card in my
laptop that is 108mbps is it going to communicate at 108mbps or 54
since they are different brands?
As well, like I said I believe my Thinkpad R50 is 54mpbs but is there
a firmware upgrade for 108 mbps or would I have to add a wireless card
to get that?
Also, 54mbps is really fast enough for me but according to D-Link the
108 mbps speed has double the range. Is this true for all 108mbps
routers or is this just true for D-links or does it even double range
as they advertise?
And lastly, if I do upgrade any suggestions on which of these 3 brands
or any others I get? Thanks for any help.

 

[MarkW]

I wanted to add this as well, are the newer 802.11g products any
better off with interference from 2.4 ghz cordless phones? Currently
my signal level drops around 20% when I use the phone and sometimes it
disconnects temporarily but often that's just when the call first
comes in but sometimes it lasts the entire call.

 

[JT]

I wanted to add this as well, are the newer 802.11g products any
better off with interference from 2.4 ghz cordless phones? Currently
my signal level drops around 20% when I use the phone and sometimes it
disconnects temporarily but often that's just when the call first
comes in but sometimes it lasts the entire call.

54mbps is the official max speed for 802.11g. The "super g" is specific to
a couple of manufacturers, and there is contention that it interfers with
other systems. On the 2.4ghz cordless phones, try different channels. That
has worked for me in the past.

JT

 

[Derek]

I put a Wi-FI access point in my house around 2 months ago.
It's linksys and is the 54 mbps speed. I use a IBM
Thinkpad R50 which has built in 802.11g which I believe is
also 54mbps My question, now whenever I look at web sites I
see 802.11g listed as 108mbps in products from Linksys,
Netgear, and D-Link. Are these proprietary speeds or is
this part of the finalized standard? My point, if I
upgrade to a Dlink 108mbps and use a Linksys card in my
laptop that is 108mbps is it going to communicate at
108mbps or 54 since they are different brands?

All 108Mbps implementations are proprietary and not
interoperable (yet). They range from high-quality bonded
channel solutions (eg, using twice the spectrum to effectively
use two standard 54Mbps connections simultaneously), to sloppy
overclocking that trashes the spectrum and results in reduced
range because the OFDM guard intervals are halved.

As well, like I said I believe my Thinkpad R50 is 54mpbs
but is there a firmware upgrade for 108 mbps or would I
have to add a wireless card to get that?

I don't see how firmware alone could take a 54 to 108.

Also, 54mbps is really fast enough for me but according to
D-Link the 108 mbps speed has double the range. Is this
true for all 108mbps routers or is this just true for
D-links or does it even double range as they advertise?

I wouldn't take too much stock in the marketing figures. They
tend to be somewhere between optimistic and science fiction.

Not all 108Mbps implementations will double the range because,
as I have said, there are implementation differences. If they
just overclock their 54Mbps hardware, range will _decrease_.
I've seen this on some 11a cards.

And lastly, if I do upgrade any suggestions on which of
these 3 brands or any others I get? Thanks for any help.

That I dunno.