I can forgive them that. There are only 26*26 = 676 two-letter acronyms to go around, and they had the decency to call it "AT protocol" which makes it clearly d

I can forgive them that. There are only 26*26 = 676 two-letter acronyms to go around, and they had the decency to call it "AT protocol" which makes it clearly different from "AT command set".