> Yes, that is what I figured too from the source. I have a 200mW card > here which I'd like to limit to 100mW (european limit) by setting the > appropriate txpower after accounting for antenna gain/cable loss.
Use an EU card. > However, I doubt that e.g. subtracting 3dBm is sufficient, dBm(r)? > The correct mapping is probably known only to the card manufacturer/ > firmware vendor (for the curious: Senao NL-2511CD PLUS EXT2). Have you looked at other open source drivers? > While I'm at it an OT(?) question: > Does somebody know how to _simply_ (using a multimeter or an old > 20MHz scope) measure the power output of a wireless NIC? Just a rough > (+-10mW) estimate would suffice. The antennae are external so I have > access to the SMA. Then I could measure the mapping myself. You wish.