[Prism54-devel] Re: [Prism54-users] Output power regulation - SMC2802W

[Feyd]

On Wed, 7 Jan 2004 02:46:43 -0800 (PST)
Aquila <aquilaver@yahoo.com> wrote:
> 
> I have tested this OID by hooking the card up to a
> spectrum analyzer and measuring the output levels with
> a power meter, the OID does indeed work. The lowest

Could you please measure at which txpower the card outputs the (ETSI I guess)
max allowed 1dBM/1MHz?

> value is zero dBm on the cards I tested (reference
> design cards), I was told that this was a limitation
> of the PA on the card. That it wasn't able to go below
> 0 dBm. But if a different card manufacturer uses a
> different PA it might be possible to go lower (I guess
> the question is: why would you want to?).

With a 25dB antena I quite want to ;)

> 
> Another limitation is the domain setting, if the card
> is able to output 30 dBm but the domain is set to ETSI
> (with a limit of 20dBm) then it will only output 20dBm
> (and 18.5dBm on the edge channels 1&13). As opposed to
> the FCC domain which is limited to 30dBm on channels
> 2-10 and something like 17-18dBm on channels 1 & 11
> (edge channels). I'm told this is for spurious
> emissions to meet regulatory requirements. If anyone
> knows the proper regulatory limits, please correct me
> if I'm quoting those limits incorrectly.

Is there a way to set the domain?

Feyd