Ok so im having trouble

[Pilgrimsmaster]

@CL_Reagh

becasue of an electromagnetic field around the lock

@CL_Reagh

wrote to a CUID card and works, not on chip

The xSeries are a great range of implants, but, where the provide ease of install, discreet placement and minimal realestate, they have a trade off with range and coupling to a reader.

I wonder if a FlexM1 would yield better results for your situation either gen1a or gen2

"magic" Mifare chips

The Mifare “classic” S50 1k chip? For many years the Mifare MF1ICS50 1k chip was used for all kinds of applications as a “secure chip” for everything from access control to stored value cards, and used for making localized payments within closed systems like public transit and laundry services. However, it uses a security mechanism called “crypto1” which is a simple, proprietary encryption mechanism that hardly has anything to do with modern cryptography. It has been broken for many years now, b…

Have you considered that?

OR
If you were up for it, a FlexMT should almost certainly have the range you are requiring for your reader