Roy Lewallen wrote in news:13cv2n6r7q05s78
@corp.supernews.com:

....
Most if not all the part 15 rules are defined in terms of field
strength, not power. 3 mW is way, way more than enough to exceed some
of
the limits on some frequencies, when connected to even a poor antenna.

I wrote a little article to inform people in the BPL debate... it started
out as:

How much radiated power does it take to create an S9 signal?

Try this quick quiz:

What is the EIRP of a 7MHz transmitter that results in a S9 signal at a
receiver located 1km from the transmitter, is it closest to:

1. 5 Watts;
2. 1 Watt;
3. 300 milliWatts;
4. 5 milliWatts;
5. 3 microWatts.

Answer: e, it is just 3 microWatts EIRP.

Remember that it takes less than a nanoWatt EIRP (ie 10E-9 Watts, a
thousandth of a millionth of a Watt) of leakage of radiofrequency energy
at 7MHz from BPL enabled power lines 10 metres from a dipole to cause S9
level interference.

Are you ready for BPL enablement of your home and neighbourhood?
http://www.vk1od.net/bpl/AreYouReady.htm

Owen