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So I've recently upgraded my internet package to 250mb as I'm an avid gamer and such. The router is a zyxel wireless VDSL2 (VMG3925-B). Over ethernet I'm getting 250mb but my PC being upstairs means I don't have the luxery of ethernet and over wifi I am struggling to pull 90mb. I believe it could be a problem with the frequency range of the adapter. Given it doesnt appear to be compatible with 5g. But I'm not hugely experienced in this field. If people could advise whats wrong and a solution or a more appropriate adapter (that isnt too expensive - or rather what to look for so I can search myself) that would be much appreciated.