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Title: Copying 125khz RFID Intercom Pit: Issues with Chinese Device & Overwriting Different Types

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  • #31 21268384
    Ircys
    Intercoms specialist
    Pioter.K wrote:
    Ircys wrote:
    .

    I.e. the first 2 are assigned to the flat and the third is not


    And not the other way around? Because when I open with the code assigned to the flat then there is a sound just like with the extra one.


    Yes , yes, sorry, my mistake - the key fob assigned to the flat gives a confirmation signal, the key fob not assigned to the flat does not give an opening signal.



    Ircys wrote:
    .
    You can copy this key fob without any problems, only to program the new one you need a key fob programmable.
    .

    Pioter.K wrote:
    I don't understand. I am only referring to making a copy of this key fob which does not cause signalling at the uniphone when using the key fob to open the door.


    In this case you need the key fob you want to copy, a new key fob programmable and a copier and that's it.
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  • #32 21268425
    ta_tar
    Level 41  
    Serwis_LX wrote:
    This works in that there is a coil of copper in the tag and a chip with a 'unique' number e.g. F6-55BE467F7E4-C3. Bringing it close to the antenna induces a small current and activates the chip
    .
    Just to illustrate what is inside:
    Two key fobs placed close together, showing passive electronics inside. .
  • #33 21268429
    Pioter.K
    Level 14  
    Ircys wrote:
    .
    In that case you need the keyring you want to copy, a new keyring programmable and a copier and that's it.

    Will this copier mentioned in this topic and coming from China and the keyring I have be enough? Obviously I need to purchase a programmable keyring, as my colleague mentioned, to be able to copy the old keyring (the one I have). I still have a question - what are these non-programmable key rings used for?
  • #34 21268440
    Ircys
    Intercoms specialist
    Pioter.K wrote:
    Will this copier mentioned in this topic and coming from China and the keyring I have suffice? Obviously I need to purchase a programmable key fob, as my colleague mentioned, to be able to copy the old key fob (the one I have).
    .

    Yes

    Pioter.K wrote:
    No I still have a question - what are these non-programmable key fobs used for?


    "Unprogrammable" key fobs are, for example, your 3 pcs that you currently have.
  • #35 21268457
    ta_tar
    Level 41  
    Pioter.K wrote:
    Well, I still have a question - what are these non-programmable key fobs for?
    .
    Perhaps I can answer this way. The non-programmable key fobs are used to register/load into the control panel e.g. intercom.
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  • #36 21268467
    CYRUS2
    Level 43  
    Pioter.K wrote:
    Well, I still have a question - it's what are these non-programmable key fobs used for?
    They open the door just like the programmable ones.
    The factory writes them a "random" number during production.
  • #37 21268474
    Pioter.K
    Level 14  
    ta_tar wrote:
    .
    I might answer like this. Unprogrammable key fobs are used to register/load into the control panel e.g. intercom.
    .
    So for this you need access to the system i.e. the installer password as I guess. Then it is possible to dock the non-programmable key fob. Have I understood this correctly?
  • #38 21268491
    Ircys
    Intercoms specialist
    Pioter.K wrote:
    ta_tar wrote:
    .
    I might answer like this. Unprogrammable key fobs are used to register/load into the control panel e.g. intercom.
    .
    So for this you need access to the system i.e. the installer password as I guess. Then it is possible to dock the non-programmable key fob. Have I understood this correctly?
    .

    To put it very briefly, that's exactly what it is, although the word 'non-programmable' itself doesn't fit here. It is simply a keyring that has its unreplaceable ID.
  • #39 21268502
    Pioter.K
    Level 14  
    Ircys wrote:
    .
    To put it very briefly, that's exactly what it is, although the word 'non-programmable' itself doesn't fit here. It is simply a keyring that has its unreplaceable ID.

    Thank you for the valuable information. I have already purchased this copier. I will still buy the programmable key fob and then it will be possible to restore the blissful silence when opening the door at 4am. 😁
  • #40 21268504
    ta_tar
    Level 41  
    "Programmable" can still be defined in such a way that if you have one original key fob (with some kind of factory number) you copy the same factory number to an "innumerable" number of programmable key fobs. For the device it is not important whether it reads from the original key fob or from the one programmed by you. For the system, only that factory number matters.

    Added after 3 [minutes]: .

    Pioter.K wrote:
    I will still buy a programmable key fob and then it will be possible to restore the blissful silence when opening the door at 4am. 😁
    .
    What do you mean by "you will have silence at 4am"? If you copy the key fob that is assigned to the flat, it will not give you anything, because any use of such a key fob will be signalled on the uniphone even at 4am.
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  • #42 21268589
    Ircys
    Intercoms specialist
    ta_tar wrote:
    Pioter.K wrote:
    I will still buy a programmable key fob and then it will be possible to restore the blissful silence when opening the door at 4am. 😁
    .

    What do you mean by "you will have silence at 4am"? If you copy the key fob that is assigned to the flat, it will not give you anything, because any use of such a key fob will be signalled on the uniphone even at 4am.


    He wants to copy the key fob not assigned to the flat so that there is no beeping when it is used.
  • #43 21268606
    ta_tar
    Level 41  
    Ircys wrote:
    He wants to copy the keyring unassigned to the flat so that there is no beeping when he uses it.
    .
    Yes I think he wants to copy an unassigned one to his flat, just will he know that the one he wants to copy is not by chance assigned to another flat.
  • #44 21268721
    CYRUS2
    Level 43  
    Pioter.K wrote:
    Thank you for the valuable information. I have already purchased this copier. I will still buy the programmable key fob and then it will be possible to restore the blissful silence when opening the door at 4am.
    In the PC-512 this can be switched off in the camera itself. This will also be disabled for the entry code.
    Diagram of turning on and off lock code confirmation on an intercom. .
  • #45 21268728
    Ircys
    Intercoms specialist
    ta_tar wrote:
    Ircys wrote:
    He wants to copy the key fob not assigned to the flat so that there is no beeping when it is used.
    .

    Yes I think he wants to copy an unassigned one to his flat, just will he know that the one he wants to copy is not by chance assigned to another flat.


    Since he uses it and there is no "scandal" about it, it is safe to assume that it is "safe".
  • #46 21268785
    CYRUS2
    Level 43  
    ta_tar wrote:
    What do you mean by that "you will have silence at 4am"?
    Maybe that currently enters "per code" and there are not a few key fobs.
  • #47 21269428
    Pioter.K
    Level 14  
    ta_tar wrote:
    .
    What do you mean by "you will have silence at 4am"? If you copy the key fob which is assigned to the flat, it won't do you any good, because every use of such a key fob will be signalled in the uniphone even at 4am.

    After all, I wrote that when the installer installed the intercom they gave each resident two lozenges and a code for each flat. Later on I ordered another key fob which the installer programmed. These three key fobs work without a signal in the uniphone. Only the installer knows what code was uploaded.
    I've now ordered another key fob because one is missing. And this lozenge makes the uniphone sound like opening the flat with the code. I thought I made that clear. Now I want to copy onto a new programmable key fob one of those first key fobs I received at the very beginning, because they don't trigger the uniphone signal. And I sometimes come back at 4am after work and the dog gets frantic when he hears the signal. Well, and it wakes up the neighbours and family. 😁. I think everything is clear now.

    Added after 10 [minutes]: .

    Ircys wrote:
    .

    Since he is using it and there is no "scandal" about it, it is safe to assume that he is "safe".


    This is how I even use two key fobs. I think these first key fobs were coded by the installer to the co-op code, some generic code, to give to each tenant and not wonder which key fob was for which flat. When he distributed the key fobs he had a whole bunch of them and didn't fumble around looking for a particular key fob for a particular flat. I then ordered two more. One was probably the same with the same number, and the last one is already assigned to my flat. So far, no one has complained that when I enter, he hears a sound in the uniphone, which would prove the thesis with the general cage code I wrote about at the beginning. This is probably the explanation for any doubts as to where I got the key fobs from and that I'm not a thief who wants to break into my own stairwell 😉 .

    Added after 2 [minutes]:

    CYRUS2 wrote:
    .
    It is possible that "per code" and there are not a few key fobs.
    currently.
    I have 4 key fobs. Two of them are assigned to the flat i.e. effect like opening with code. The other two do not generate such an effect from the very beginning. I have all the lozenges officially from the installer/cooperative.

    Added after 7 [minutes]: .

    CYRUS2 wrote:
    .
    On the PC-512, this can be turned off in the camera itself. This will also be disabled for the input code.
    Diagram of turning on and off lock code confirmation on an intercom.
    .
    Well unfortunately this is not the uniphone used. Mine only has one button and nothing else.
  • #48 21269462
    CYRUS2
    Level 43  
    Pioter.K wrote:
    .
    I have 4 key fobs. Two of them are assigned to the flat i.e. an effect like opening with a code. The other two do not generate such an effect from the very beginning.

    If you had asked the installer not to be assigned to your premises then it would not give the sound.
    It is possible that the installer will do this for you at no charge - as part of maintenance.
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  • #49 21269471
    Ircys
    Intercoms specialist
    CYRUS2 wrote:
    Maybe an installer will do it for you at no charge - as part of maintenance.


    because the installer has "volunteer" written on his shirt....
  • #50 21269508
    Pioter.K
    Level 14  
    CYRUS2 wrote:
    .
    If you asked the installer not to be assigned to your premises then they would not give you sound.
    It is possible that the installer will do this for you at no charge - as part of maintenance.

    I paid £20 for each additional lozenge (2pcs).
    At the moment, one went to the complaint because I do not know by what miracle it decoded. And recently the installer added and I received from him 2pcs. (One extra and one as a complaint). Both work on the flat code. And so I got rid of one of the 3 original ones with a generic code for 'noisy'. And how could I have known that these would be different? If I had known that the primaries were with a different code and now it would make me assigned to a flat I would have asked. That's why I was looking for a solution to copy the quiet ones. That's the whole philosophy. I don't want to order from the installer again because I'll get similar ones again. Well, maybe one more thing. Finances. I paid about £40 for the copier and some key rings and I can make, say, 5 key rings from that. For 5 keyrings I would pay 100zl and on top of that I would have "noisy" ones which I don't want. And yes.... you can understand.
  • #51 21279765
    Interesant
    Level 33  
    ...
    Pioter.K wrote:
    Ircys wrote:
    .

    I.e. the first 2 are assigned to the flat and the third is not


    And not the other way around? Because when I open with the code assigned to the flat then there is a sound just like with the additional one.

    Ircys wrote:
    .
    You can copy this key fob without problems, only to program the new one you need a key fob programmable.
    .
    I don't understand. I am only referring to making a copy of this key fob which does not cause signalling at the uniphone when using the key fob to open the door. What type of programming does the colleague have in mind?
    .

    The point is that the previous installer assigned the original 'pest' under the virtual premises. Recently, the community board probably changed, and with it the intercom maintenance company, and this second installer assigned the key fob to a specific (your) premises.

    You can take this key ring to a key fob shop and they should be able to sort it out in 10 seconds.
  • #52 21288583
    Pioter.K
    Level 14  
    Good afternoon. There has been no change in the Administrator and management of the cooperative. Is there any virtual premises in this Miniurmet intercom system? It could be a generic code for the Administrator.
    I don't need to go anywhere as the device purchased from our friends in the far east fully provides me with the ability to copy the lozenge I expect. Also, thanks to all Fellows for their help.
  • #53 21288626
    Ircys
    Intercoms specialist
    Pioter.K wrote:
    Is there a virtual premises in this Miniurmet intercom system


    Any other than from the actual/occupant numbering :) .
  • #54 21527829
    sociak55
    Level 11  
    WojtekRav wrote:
    mati505824 wrote:
    A more common reader is the Elkontrol 3000 and it has protection against reading copyable cards and key fobs, it only reads TK4100 and is unresponsive to T5557 EM4305.
    .

    The Elkontrol 3000 reader only reads cards/ key fobs with a chip in the Unique ISO11784 standard with a 64-bit UID identification number.

    The EM4305 chip is a programmable Unique chip, but with a 32-bit UID number, which may be why it is not read by this reader.

    The T5557 chip, on the other hand, needs to be configured to be compatible with the Unique standard (programming the correct UID code length and modulation selection), which probably cannot be done with a regular cloner/copier, but I am not sure.

    A simple reader of this type does not itself recognise whether the key fob/card is programmable or not, as the response of one or the other is exactly the same, so it only returns its Unique UID number, so only the compatibility of communication protocols and key length is required.
    .

    Hi, I know the topic is quite old, but maybe someone is able to suggest how exactly to "prepare" the T5557 chip to upload a key fob that works with the Elkontrol 3000? I have a Flipper Zero and a seed ripped onto it works without a problem, whereas any copied one does not.
  • #55 21528274
    CHAST
    Level 27  
    And what software do you have on Flipper zero?
  • #57 21529981
    Interesant
    Level 33  
    ...
    >>21527829 .
    How does the reader behave when you apply the programmed key fob?
  • #59 21530677
    sociak55
    Level 11  
    Interesant wrote:
    ...
    >>21527829 .
    How does the reader behave when you apply the programmed key fob?
    .
    Completely unresponsive, possibly it's that AN/CL function on the elkontrol reader? So far I haven't had a case where a seed can't be copied, I have a Chinese copier and a flipper and in this case neither can cope.
  • #60 21530902
    Interesant
    Level 33  
    ...
    >>21530677 .
    This is how the Elkontrol 3x00 behaves with the Anticyclone module implemented.

Topic summary

The discussion revolves around issues related to copying 125kHz RFID intercom key fobs, particularly focusing on the differences between programmable and non-programmable chips. Users express concerns about the inability to overwrite certain RFID tags, specifically EM4100 (read-only) and EM4305 (rewritable) chips. The conversation highlights the importance of understanding the type of RFID chip being used, as some devices, like the Elkontrol 3000 reader, only recognize specific chip types. Users also discuss the implications of using Chinese cloning devices, which may restrict the ability to rewrite chips once programmed. The need for a programmable key fob to replicate a non-signaling key fob is emphasized, along with the potential for confusion regarding the functionality of different key fobs in intercom systems.
Summary generated by the language model.
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