Looking through our correspondence, the most frequent technical question we've been asked is "Will it work with HITAG2?". I'm not sure why HITAG2 is so popular, but it is, so we were keen to make sure we supported it, but up until now our answer has been: "Yes, it should do!", and it should... There's no reason why not. We've tested that the chip is capable of doing the required crypto operations fast enough not to interfere with critical timings, and everything else is just business as usual... ASK communications!
However, there's a big difference between knowing something should work, and seeing that it does work, so I'm delighted to be able to bring you: