e law allows?
>
Unless you are using external high-gain antennas, this isn't possible.
Also, txpower on most 802.11 chips tends to be out of user control. It
will make automatic changes for various reasons.
Chris
It seems, it disappeared from ifconfig because only wi supported it.
Can I be sure that my WLAN is not sending stronger than the law allows?
Rodrigo
Denis wrote:
> Looking for ifconfig '[[-]txpower dBm]' option which was present in
> OpenBSD 5.4 amd64. Try to find 'txpower' on 6.0 amd64 but seems it
> missed out.
>
> Actively using it to match power for 802.11 card and it's RF recipient
> (post amp). What mechanism of out
On 07/04/17 15:07, Denis wrote:
> Looking for ifconfig '[[-]txpower dBm]' option which was present in
> OpenBSD 5.4 amd64. Try to find 'txpower' on 6.0 amd64 but seems it
> missed out.
>
> Actively using it to match power for 802.11 card and it's RF recipient
> (post am
Looking for ifconfig '[[-]txpower dBm]' option which was present in
OpenBSD 5.4 amd64. Try to find 'txpower' on 6.0 amd64 but seems it
missed out.
Actively using it to match power for 802.11 card and it's RF recipient
(post amp). What mechanism of output power matching is provided
currently since
On 2015-12-05, bluesun08 <nans_na...@yahoo.de> wrote:
> Hi,
>
> 1) How can i show the txpower of my wlan-card?
> 2) How can i adjust the txpower?
Not really supported on OpenBSD. There are stubs but most drivers don't
actually implement it. (yes this is a bit of a probl
Hi,
1) How can i show the txpower of my wlan-card?
2) How can i adjust the txpower?
--
View this message in context:
http://openbsd-archive.7691.n7.nabble.com/TXPower-tp284661.html
Sent from the openbsd user - misc mailing list archive at Nabble.com.
nans_na...@yahoo.de (bluesun08), 2015.12.05 (Sat) 15:57 (CET):
> 1) How can i show the txpower of my wlan-card?
No idea.
> 2) How can i adjust the txpower?
ifconfig(8), look for - you already named it.
Bye, Marcus
> !DSPAM:566307f4115531873865739!
On 2015-01-03, Alan Corey alan01...@gmail.com wrote:
I'm trying to do some antenna work so I want a weak signal from the
other side of the basement. So I try stuff like ifconfig athn0
txpower 1 and get ifconfig: SIOCS80211TXPOWER: Invalid argument.
Any number I've tried gives the same thing
On Sat, Jan 03, 2015 at 11:16:01AM +, Stuart Henderson wrote:
On 2015-01-03, Alan Corey alan01...@gmail.com wrote:
I'm trying to do some antenna work so I want a weak signal from the
other side of the basement. So I try stuff like ifconfig athn0
txpower 1 and get ifconfig
I'm trying to do some antenna work so I want a weak signal from the
other side of the basement. So I try stuff like ifconfig athn0
txpower 1 and get ifconfig: SIOCS80211TXPOWER: Invalid argument.
Any number I've tried gives the same thing. If I leave out the number
it tells me I need one. Worse
Hi there,
Quick question about the way ifconfig deals with txpower for ral cards..
Maybe I'm being silly, but I find it rather hard to believe that my wireless
card is transmitting at 100dBm. Yet, that's what ifconfig claims. Call me
stupid, but I'd much rather see no value than one that's
Yes, that is what I figured too from the source. I have a 200mW card
here which I'd like to limit to 100mW (european limit) by setting the
appropriate txpower after accounting for antenna gain/cable loss.
Use an EU card.
However, I doubt that e.g. subtracting 3dBm is sufficient,
dBm(r
EE/RF pedant here (there had to be one, right?).
However, I doubt that e.g. subtracting 3dBm is sufficient, say
Without going into detail, it needs to be said that dB is a relative
measurement while dBm is absolute. Thus, one would state that 3 dB is
subtracted from X dBm in order to
On Sat, 10 Jun 2006, Walter Haidinger wrote:
Replying to myself giving a short answer: yes, it is.
Any references (e.g. to some driver documentation) are appreciated!
FYI, I've found the following comments in the Linux Kernel source.
linux-2.6.16.17/drivers/net/wireless/hostap/hostap_ioctl.c:
On 2006/06/13 11:24, Walter Haidinger wrote:
/* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
* This version assumes following mapping:
* CR31 is 7-bit value with -64 to +63 range.
* -64 is mapped into +20dBm and +63 into -43dBm.
* This is certainly not an exact
the source. I have a 200mW card
here which I'd like to limit to 100mW (european limit) by setting the
appropriate txpower after accounting for antenna gain/cable loss.
However, I doubt that e.g. subtracting 3dBm is sufficient, say
ifconfig wi0 txpower 17 won't give me the desired 100mW because
a 200mW card
here which I'd like to limit to 100mW (european limit) by setting the
appropriate txpower after accounting for antenna gain/cable loss.
However, I doubt that e.g. subtracting 3dBm is sufficient, say
ifconfig wi0 txpower 17 won't give me the desired 100mW because
the mapping
Hi!
With the wi(4) driver, is txpower output of ifconfig correct
for cards which are capable of more than 100mW (20dBm) power?
In the stable OpenBSD 3.9 sources the maximum is _hardcoded_ to 20dBm.
There has been only one reference (providing the code below):
http://marc.theaimsgroup.com/?l
Trying to change txpower on atheros wireless cards does not set the
power accordingly, just errors out.
I submitted this mail to bugs@ but I cannot find it in the bug
tracking system page, so I send it here also in case there was a
problem.
I don't have the skills to figure out anything
page seems to suggest that the txpower parameter (or alternatively
-txpower) is what I need, but I must be reading the syntax wrong - every
attempt so far has produced only
ifconfig: SIOCS80211TXPOWER: Invalid argument
Is txpower indeed supported (with ath cards), or is it my man page
reading
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