netgear nighthawk m1 wifi speed very slow

when i first had this speeds were vvery good no prblems then we are in a different are and it soo slow we have two anttenas. And hasnt made much of a differenece and now it does not work very well at all in the location we first used it i factory resent it oce we moved and after that it seems to have been giving me lots of issues i tried messings with the settings but im not sure how to set it up correctly