[MLB-WIRELESS] Aux antenna port termination

Thomas Phillips Thomas at phillips.net.au
Thu Jul 10 23:17:01 EST 2008

Hi guys thought i would get your opinion on this, i have just received  
2x DCMA-82 Wistron 400mw mini pci cards, and they have 2 antenna ports  
main and aux.

I read somewhere in a pre release technical specifications pdf that if  
the aux port was unused it had to be terminated with a 50 ohm  
resistor. None of the current specification sheets mention this, and  
there has been some confusion between people on some forums that i  
have been reading on weather this is really necessary or not?

I have already made the modification on one of the chips, by ripping  
off the smd mmcx port and soldering a 50 ohm resistor across the  
terminals and it is being detected fine, but am unsure if i should  
bother on the other.

I was also curious if anyone else has done this to any other Wistron  
cards such as the cm9 or any other card for that matter?

Tom Phillips

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