[Soekris] [soekris] net4826 + two 400mw miniPCI?

Mike mike-soekris at tiedyenetworks.com
Sat Jan 27 18:13:33 UTC 2007


Hi,

    #1, you're going to run into problems powering all that. The soekris 
may not be able to supply enough voltage when those cards are tx'ing, 
resulting in lockups/reboots.

    #2, it sounds like some engineering may be in order here. You said 
in another thread that you are using rubber duck antennas, and you 
appear to not realise what antenna gain is all about. I would suggest to 
you firstly that even low power wireless cards - with the right antennas 
- can go literally miles and miles, and secondly,  that this technology 
is really intended for open space operation - eg: open rooms or outdoor 
enviroment without obstructions. You should review what you're trying to 
do, with an eye twords the first comment of low power cards going miles, 
and a second with a view to working with your enviroment instead of 
against it (by higher power output to overpower whatever limit you're 
hitting). Good antenna selection and placement will overcome high power 
output almost any day of the week....

Mike-


Jeongki Min wrote:
> Hi,
>  
> I have a question about using Soekris net4826 with two 400mW MiniPCIs.
> Currently I'm using two 200mW MiniPCIs, but I think I need more tx power.
>  
> I'm considering to buy product like below;
> http://www.netgate.com/product_info.php?cPath=26_34&products_id=279 
> <http://www.netgate.com/product_info.php?cPath=26_34&products_id=279>
>  
> I really don't know about hardware.:(
> It might be stupid thing, but I heard that I have to be careful about 
> electric power consumption when I choose MiniPCI. 
> Do you think there is no problem on using two 400mW MiniPCI on soekris 
> net4826?
> And if I use 400mW MiniPCI, could I can see better tx power?
>  
> I would really appreciate it if you give me any information.
>  
> Thanks for useful information always,
> JK
>  
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