How to Replicate a Key Fob

We're going to see how you can replicate a key fob that would get you into a condo or an office building, or whatever. You have onyour strapped your wrist, is this r f i d sensing device, a low frequency antenna. So and sense basically anything within a certain range. That's the range that r f id readers work on. If this thing gets close enough, it'll pick up the data. And now i've got your idea,. ok, holdon. I want to chick ut to set up, cause we wee standing here for few minuts. Ad, i didn't notice it. Okay, see,  you're wearing a gray hoody