I had the NES one from a few years ago that didn't come with the functionality, so I was pretty .vesatile? as in can do the most? the proxmark (3easy) is the most useful tool for RFI/nfc. if you're looking for just NFC, so high frequency, you'll want an acr122u. I think you can refer to the NFC card reader from the Newbega company website. It comes with free software. 9.7K .