Probably, but not necessarily.  802.11g WiFi uses the same channels in
the 2.4GHz band, but 802.11a uses the 5.0GHz band instead, and the
techniques which comprise 802.11n may be applied to either band.
  5.0GHz radios have tended to cost more than 2.4GHz units, which has
led to a spiral effect where increased volumes of 2.4GHz units have
driven the price even lower.  So if a unit you're looking at doesn't
specify, the odds overwhelmingly favour it using 2.4GHz and thus
interoperating with 802.11g gear.  But it's a good idea to confirm that
as thoroughly as possible before actually committing to the purchase.

  ("Dual band" means that the device incorporates two radios, and
*usually* they provide the same function, but one at 2.4GHz and one at
5.0GHz.  But I have a "dual band" router ("wireless modem" the maker
calls it), where both radios operate in 2.4GHz, one as client to the
outside (Google's free WiFi service), and one as "base station" to
client devices inside the apartment (which often don't have clear signal
to/from the outside).  So the label "dual band" isn't sufficient -- it
means at least one 2.4GHz radio, but the other might be of either
frequency band.)

David Gillett. CISSP CCNP

-------- Original Message --------
Subject: [PCBUILD] wireless G and N compatible?
From: Phillip Williams <[log in to unmask]>
Date: Mon, October 08, 2012 1:35 pm
To: [log in to unmask]

I'm looking into wireless routers and have a couple of usb wireless G
adapters. Is a wireless N router backwards compatible with these
adapters?
-Phil-

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                     visit our download web page at:
                  http://freepctech.com/downloads.shtml