Change wireless interface "sens" value how?

[Tim]

Tim:
>> Surely it wouldn't be specified in "dBm"?
>> 
>> 0 dBm is 1 milliwatt into 600 ohms.  Is the antenna really 600 ohms?
>> That would be an unusual antenna impedance.

les:
> 600 ohms is usually an audio reference.  i.e. 0dbm is 1mw on 600ohms.
> RF is usually specified to 50 ohms regardless of the actual impedance
> (0dbm rf is 1mw on 50ohms), and a transformation is needed to arrive at
> the voltage, current losses for other impedances.  Some VHF specs are at
> 150 or 300 ohms, and there could be a new standard developing for 600 as
> some patch antennas do have that high an input impedance.

It's still actually called "dBm" and not db+(something else)?
Surprising!  We were always taught that 0 dBm meant 1 mW into 600 Ohms,
i.e. a power and impedance, not just 1 mW into anything.

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