simtrac hw

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None None keytwho at
Mon Nov 22 11:35:46 UTC 2010

you have to take in consideration the "retransmission" also. the other thiing is that all cards are not 3.3v some are 1.8. that could be read in ATR. so if you want it to be compatible with any phone, you need on one side to give an ATR to the phone that tells it it could work with 3.3v and be able to read the actual sim with 1.8v...

I've already done that kind of device a while ago with a FT2232 and scenix microcontroller. ( and I can mim, sniff, read... So i'm familiar with it.


> Date: Mon, 22 Nov 2010 12:23:37 +0100
> From: ml at
> To: laforge at
> Subject: Re: simtrac hw
> CC: baseband-devel at
> > 
> > simply send a configuration message via USB from the simtrace program.
> > 
> How about having the reader on port 0 and the sc on port 1
> Then the 3 modes would be software controlled
> The sniffer part could be done by the MiM by just forwarding the messages.
> The freq could be regenerated, or forwarded using a software switch.
> It would not be a real sniffer, but simpler to design and implement.
> reset, clockstop, freq. changing, and proactive SIM could also be done
> by the chip. is there another SC feature that could be problematic ?
> apart using contact 4/8 which we ignore, and 20MHz freq. which I've
> never seen yet.
> Kevin
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