Hello! Similar problem. Bought about 5-6 different tags. Clone and burn, I can. But the electra intercom does not read them, just like Flipper emulation itself.
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Same issue - electra is the first intercom that doesn’t work for me 
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so mo help ? its so wierd that electra not working with anything than electra tag ,it you go to a cloning shop they can make clones very easy. i have done in it
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Bump this! A whole country depends on it, maybe we can send you some demo keys guys ? Or order some online ? This needs to be looked at in some way or another, its a very powerful tool to have and without it you cant hack 90% of the keys here.
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Hello! I also have problems with electra tags. Is there anything we can do to help the development team?
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I have found out some more information, it seems like older Electra systems work with this no problem, on the newer ones it says it works only with Electra tags as I found in the oficial documentation. So lets analyze what i’ve found. It seems newer Electra systems are not compatible with flipper emulation, but going deeper it seems the Flipper gets detected somehow, given the fact I can hear a small click when I get close to the reader, something like a pin resting but after that on the second try I cant detect any noise, not even the reader saying its incorrect. But funny enough if you try an older tag the reader types “Acces Denied”, i think this works even if its not an Electra tag (tried it with an older Electra tag I had). The Flipper seems like not being able to emulate the tag for whatever reason. But why does it seems to read all other tags except the Flipper? Someone needs to test if you can write an electra tag with the master key and open the door. The master key for the ones I’ve opened is FF:FF:FF:FF:FF. Also some other readers were present on other locations tested which worked wonderful including an NFC reader on some locations which seems to not be detected by the Flipper NFC Detect Reader function but Il post that to the NFC topic when I find more information.
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Also today I found out you cant write a blank key from Electra using the Flipper, they use a device sold by Electra. Also the RFID tag has 3 codes, one code that is the basic code, one installer code ( this is written on the box of the Electra cloning equipment when bought), and one private code which must be a security measure taken by Electra to stop cloning. So I saved the FF:FF:FF:FF:FF code to the flipper and visited the nearest key shop and told them to copy the Flipper code to the tag ( they also told me that they cant make a custom code like the one I’ve found and a key needs to be copied, also the code was displayed as a string of numbers like “2365916492” or something like this) so I gave them my Flipper which they scanned ( a prompt popped saying that it was a Chinese copy of the tag) and then they transferred this to the tag which when read with the Flipper displays FF:FF:FF:FF:FD instead of the code provided. (I’ve tried this twice). I know dev’s are busy but maybe someone from the dev team might shed some light on this matter. Also all help is welcome so don’t hold back. 
Also this is the installation tutorial of the intercom and some photos from my flipper :
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up up up we needs to find a way
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Bumping the thread, same issue 
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Same here!
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Same issue ! Need to find the solution
I guess it would help to have RAW read dumps from both the original card that works
and a cloned card (the blank ones written to by flipper) which is not detected by the reader
then dev team might be able to figure out how both tags are differing
Hi! at your recommendation, I upload the raw files. As the name suggests, in “original_electra.zip” are the raw files resulting from reading an original electra tag. In the “electra_clone.zip” you can find the raw files read from a tag with the T5577 chip on which the original electra tag was cloned. I hope it is helpful.
Electra_original.zip (12.3 KB)
Electra_clone.zip (12.0 KB)