Since you have both adapters, you should also have the FCC ID numbers. Go unto: |
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type in the FCC ID numbers. The photos and descriptions should give some clue as to the chipset.
I'm not sure what's in the DWL-G122, but the DWL-122 looks like this inside:
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guess(tm) is that it's NOT the same board as the DWL-G122. There's also some difference between the A1 and A2 mutations of the DWL-G122.