I live in Manhattan and my TWC/Spectrum provided Arris TG1672 router/modem combo doesn't provide enough coverage in my small (800 sqft) but concrete walled apartment. I'm thinking about turning off the wifi on the TG1672 and adding a TP-Link Archer C7 wi-fi router. 1) Can I do this? 2) Will this help? 3) How do i do this? Thanks!
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Maybe it will help. Try turning off one band first
But in most cases, Use ethernet connections, wireless doesn't work in dense housing
2. Yes. Don't need two WiFi broadcasts trying to shout over one another, like two auctioneers having a shouting match
3. 192.168.100.1 typed into your URL bar. This is where you can also see signal power levels. Choose "Wireless" from the bar of links on the top of that page. Go into 2.4 and 5.0 GHz wifi setting and un-check the "enable" true/false checkbox. You should see the blue LED lights on the modem turn off with each one. Don't forget to click "apply" to save the change and make it happen.
Question do you have home phone service? Is that why you have the TG1672G instead of the SB6138?