I will try to update the page to make it more clear, but specifically from the xEM product page;
This post will cover the steps to hopefully copy a card, fob, or badge you currently possess (source chip) into a chip implant that supports cloning (target chip). I say “hopefully” because you need a couple things to be right to make this happen. Requirements There are two things that are necessary for your source chip to be cloneable to a target chip. Your source chip needs to be a simple device with weak breakable security, or no security features at all. Don’t worry, most access control …