[BC] Part 15 FM Power/Radiation Limits

[Richard Fry]

"John" (WLOYPROD at loyola.edu ) wrote:
> I was referring to the common configuration used by the
> various tiny transmitters that are often incorrectly setup with
>100mW for FM, when they are at the max around 18mW in
> their typical configuration.  Those type of units often use
> conventional car whips as their antenna (sometimes they
> use even shorter ones) or whatever is handy at a Radio Shack.
_____________

As noted previously, 18 mW into a 32" or even shorter whip would produce a 
field far in excess of the 250 uV/m at three meters in any direction from 
the antenna that is allowed for unlicensed FM by Part 15.  Even 1/1000 of 
that power is still too much.  Such devices would be/are illegal to use.

RF