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#1 2019-11-04 20:59:41

Martinorak
Contributor
Registered: 2019-10-16
Posts: 6

Modulation : DIRECT/NRZ

Hi,

I try it command lf t55xx detect
Chip Type  : T55x7
Modulation : DIRECT/NRZ
Bit Rate   : 1 - RF/16
Inverted   : No
Offset     : 47
Seq. Term. : No
Block0     : 0x00040000

because lf search u not working.

I also try it lf t55xx dump
Reading Page 0:
blk | hex data | binary
----+----------+---------------------------------
  0 | 00040000 | 00000000000001000000000000000000
  1 | 00100000 | 00000000000100000000000000000000
  2 | 00000000 | 00000000000000000000000000000000
  3 | 00400000 | 00000000010000000000000000000000
  4 | 00100000 | 00000000000100000000000000000000
  5 | 00400000 | 00000000010000000000000000000000
  6 | 00400000 | 00000000010000000000000000000000
  7 | 01000000 | 00000001000000000000000000000000
Reading Page 1:
blk | hex data | binary
----+----------+---------------------------------
  0 | FFFFFFFF | 11111111111111111111111111111111
  1 | FFFFFFFF | 11111111111111111111111111111111
  2 | 00000000 | 00000000000000000000000000000000
  3 | 01000000 | 00000001000000000000000000000000


How can I get command for clone ? Or How can I decrypt it ?

Thank you so much !! smile

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#2 2019-11-04 23:55:18

mwalker
Contributor
Registered: 2019-05-11
Posts: 188

Re: Modulation : DIRECT/NRZ

while it says NRZ, then config looks very blank for a t55xx.

Maybe perform and

lf read
data save filename.pm3 

and share via a file sharing service and post a link to it.

edit: as per icemans request.

Last edited by mwalker (2019-11-05 00:25:58)

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#3 2019-11-05 00:12:16

iceman
Administrator
Registered: 2013-04-25
Posts: 5,845
Website

Re: Modulation : DIRECT/NRZ

..maybe incurage ppl to use filesharing services ?


If you feel the love,  https://www.patreon.com/iceman1001

modhex(hkhehghthbhudcfcdchkigiehgduiehg)

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#4 2019-11-05 11:18:56

Martinorak
Contributor
Registered: 2019-10-16
Posts: 6

Re: Modulation : DIRECT/NRZ

Hi, very thanks for your time. Maybe see as blank but I think it´s one of first chip here on the system. Maybe have easy to remember code.

File is here https://we.tl/t-z5SgP72yQl

I hope I used the right service you wanted.

Thanks
Martin

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#5 2019-11-06 14:41:09

Martinorak
Contributor
Registered: 2019-10-16
Posts: 6

Re: Modulation : DIRECT/NRZ

Do you have any idea how to clone this chip?

Thanks for your time

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#6 2019-11-07 08:53:33

mwalker
Contributor
Registered: 2019-05-11
Posts: 188

Re: Modulation : DIRECT/NRZ

The data in the file is very week.  I would like to see a much stronger signal.

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#7 2019-11-11 09:24:09

Martinorak
Contributor
Registered: 2019-10-16
Posts: 6

Re: Modulation : DIRECT/NRZ

Here is new data. Please try it or tell me how can I get it better data (signal).

https://wetransfer.com/downloads/cf188318cec615f5a0863cb4d3cb315220191111082132/d2f20562363f7e8d289f12e0f45b0c4920191111082132/380a81

Thanks
Martin

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#8 2019-11-11 12:28:05

mwalker
Contributor
Registered: 2019-05-11
Posts: 188

Re: Modulation : DIRECT/NRZ

based on the data in the file(s) i am not sure its an lf/125 khz card.
It seems to be not much more then just noise (with no card on the reader)
Can post the results of the following with no card on the reader, then repeat but with the card on the reader.

hw tune

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