[MLB-WIRELESS] Legal power output

[Ben Anderson]

Every 3db is _double_ the power...

So 15db on 30mw would be doubling 30mw 5 times...

ie 30 * (2^5) = 960mW

You started out correct, 3db = twice the power, but your conclusion
(3db=5xgain) was incorrect.

Ben.

>  n00b questions time. With all this talk about power outputs and DB gains
> etc, can someone please tell me if I understand it all correctly?
>
>  3 db gain = twice the power. Correct?
>  All gains and losses are added or subtracted to get a final number?
>  The legal power output is about 4 or 5 watts?
>  This output is a calculated value based on the cards output power x the
> antenna gain?
>
>  So, if I have a 30 miliwatt card, plugged into an antenna with a 16 db
> gain, but I lose 1 db in the coax, then my overall gain is 15 db. 15 db /
> 3db = 5 x gain. 5 x 30 mw is 150 miliwatts effective power put out through
> my antenna. Did I get that right?
>
>  A 100 milliwatt card in the same setup would give me half a watt?
>
>  Or, have I got it all wrong? :)
>
> Regards,
> Gaz.
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