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> WIFI Signal Power.
kutscher
post Feb 19 2004, 12:53 PM
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Hi all,

I just got my Symbol Spectrum24 Wifi.
The card is extremely fast, however, besides some posts claiming that it has low power consumption, I've found that it is a battery eater!

Anyone knows how to tweak the card so we could reduce db/mw, eventually loosing some speed?

Tks
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Mickeyl
post Feb 20 2004, 01:55 AM
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If you think, the Symbol Spectrum 24 is a battery eater, than try one of the other cards...
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kutscher
post Feb 20 2004, 05:34 AM
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Yeah, you are right. I tried a LinkSys with horribles results though.

But if I'm not wrong, the signal power floats from 100mW to 500mW - I wonder if we could arbitraly set a value so the battery could last longer.

I'm used to have my Z connected thru gprs at only 56Kbps so there is no need at all for me to have 11Mbps. 2Mbps would be more than enough.

Any clues?
Tks!
_CK
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Connor Angel
post Apr 5 2006, 09:59 AM
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QUOTE(kutscher @ Feb 20 2004, 09:34 AM)
Yeah, you are right. I tried a LinkSys with horribles results though.

But if I'm not wrong, the signal power floats from 100mW to 500mW - I wonder if we could arbitraly set a value so the battery could last longer.

I'm used to have my Z connected thru gprs at only 56Kbps so there is no need at all for me to have 11Mbps. 2Mbps would be more than enough.

Any clues?
Tks!
_CK
*


Looking through some old posts, and I have wondered the same thing. I attempted playing with iwconfig settings before, but half-assed because I don't know much about wifi. Does anyone know if you can force a wifi card to drop down to 2mbps to preserve power, or am I not seeing things the way they really work? I could see maybe that the 2mbps is more of a noise reduction thing and power depends more on distance, but I don't know. Can anyone provide even a firm no to this question, if not a yes?
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bluedevils
post Apr 5 2006, 10:05 AM
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The socket/symbol cards are low powered mainly for its idle power usage. Last I remember the zaurus drivers for the sockets do not lower the idle power like the windows drivers do. Still, the card is less power hungry than my former netgear card.
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Drake01
post Apr 5 2006, 05:43 PM
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QUOTE(bluedevils @ Apr 5 2006, 01:05 PM)
The socket/symbol cards are low powered mainly for its idle power usage.  Last I remember the zaurus drivers for the sockets do not lower the idle power like the windows drivers do.  Still, the card is less power hungry than my former netgear card.
*

The Symbol does have power conserving features available, which is why I bought this card to use with my old HandEra (Palm OS) PDA. The PDA had an optimized driver for the Symbol and I seemed to get reasonable battery time out of it. I don't know if it was strictly for idle time or how it worked. I do know that there was a slider for power saving, which had about a half-dozen increments.

The Z driver may not take advantage of the power saving features, but they are available if someone were to write a driver for them.
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