Last time i got teamviewer support, the tech installed this beta or unreleased firmware on my router. Works since then. but then suddenly my router started to stop broadcasting my wifi once in a while

I need a way to set a data limitation and throttle so my isp doesn't over charge me. ie: I may have a 1tb monthly cap from ISP, my family streams and games a lot. I need to be able to set a limit of s