Hey Guys, I've seen a few threads on this subject but the language / jargon is beyond my knowledge so I wonder if someone can help me with an idiots guide to mixing the Deco M9 plus with powerline ada

Hi guys, I have a Huawei B315s-22 router connecting to the internet via SIM card, with which my 4G signal provides good speed. I have a number of TP-LINK AC2200 Deco M9 Plus devices, with one of them