Still better than having to get the card off the neckchain / out of wallet and swiping however. I can live with 10cm...
Won't you also need to have the phone unlocked / in an app for it to replace a key card seeing as you'd effectively have to be getting the phone to mimic the key card's chip?
Won't you also need to have the phone unlocked / in an app for it to replace a key card seeing as you'd effectively have to be getting the phone to mimic the key card's chip?