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#1 2018-08-08 17:37:50

fips
Contributor
Registered: 2018-02-17
Posts: 12

hf search says 14b -- hf 14b says no 14b tag found?

Hi,

I try to read a unknown tag.
To determine if it is hf or lf I used hw tune.
Result of hf search:

pm3 --> hf search
          
[-]timeout while waiting for reply.          
 UID    :           
 ATQB   : 00 00 00 00 00 00 00           
 CHIPID : 00          
      App Data: 00 00 00 00           
      Protocol: 00 00 00           
      Bit Rate: 106 kbit/s only PICC <-> PCD          
Max Frame Size: 16 bytes          
 Protocol Type: Protocol is not compliant with ISO/IEC 14443-4          
Frame Wait Integer: 0 - 32 ETUs | 302 us          
 App Data Code: Application is Proprietary          
 Frame Options: NAD is not supported          
 Frame Options: CID is not supported          
Tag :          
  Max Buf Length: 0 (MBLI) chained frames not supported          
  CID : 0          

Valid ISO14443-B Tag Found

But the result of hf 14b info is:

pm3 --> hf 14b info
[-]no 14443-B tag found

Any idea how can I be sure which tag is it?

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#2 2018-08-08 18:20:20

iceman
Administrator
Registered: 2013-04-25
Posts: 4,793
Website

Re: hf search says 14b -- hf 14b says no 14b tag found?

looks like a fault identification.   a lot of zeros.

trace list 14b


&#20912;&#20154;

modhex(hkhehghthbhudcfcdchkigiehgduiehg)

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#3 2018-08-09 10:27:12

fips
Contributor
Registered: 2018-02-17
Posts: 12

Re: hf search says 14b -- hf 14b says no 14b tag found?

Result of hf 14b list:

pm3 --> hf 14b list
Recorded Activity (TraceLen = 24 bytes)          
          
Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer          
          
      Start |        End | Src | Data (! denotes parity error)                                           | CRC | Annotation          
------------+------------+-----+-------------------------------------------------------------------------+-----+--------------------          
          0 |        992 | Rdr |52                                                                       |     | ?          
 4175287343 | 4175291715 | Rdr |05  00  08  39  73                                                       |  ok | WUPB          

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#4 2018-08-09 11:40:02

iceman
Administrator
Registered: 2013-04-25
Posts: 4,793
Website

Re: hf search says 14b -- hf 14b says no 14b tag found?

no answer to the wakeup command

I guess,  positioning/distance over antenna and also try offical pm3 repo


&#20912;&#20154;

modhex(hkhehghthbhudcfcdchkigiehgduiehg)

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