I noticed that (in a wireless adapter's specs) it's B tx power has
3dBm more power than
G. Is this another clue that connecting under 802.11 B will give
more
>distance?


Good question. 802.11b and g powers are measured at the maximum
power
for any frequency or mode. For 802.11b, that's at 1 or 2 Mbits/sec
which operates pure FM (frequency modulation). However, the 802.11g
modes, that run from 9 to 54Mbits/sec, are all combinations of both
AM
(amplitude modulation) and FM modulation. The AM component reduces
the ratio of the peak to average power when measured according to
ANSI
C63.4:2003 (Measurement of intentional radiators). Therefore,
802.11b
will read somewhat higher power levels than 802.11g. Also, note that
the tx power will vary over about 1dB from the lowest to the highest
channel.

ANSI C63.4:2003
<http://standards.ieee.org/catalog/olis/emc.html>
<http://standards.ieee.org/reading/ie...scription/emc/
C63...>
Sorry, you gotta be a paid member to download the proceedures and
specs.


OK. So....if I understand correctly, it's not so much that 802.11B is
effectively more powerful than G, but that the different forms of
modulation simply yield different power measurements ?

A bit of the old "apples to oranges"?


In any case, is it true that operating in B can allow decent
connections (albeit slow) at increased distances?

1) Given a required connection speed of say, 9-11Mbps?

2) Simply comparing lowest fallback in each; 1-2 Mbps in B to ...9
Mbps in G?

Steve