NETGEAR R6850 is quite known for its seamless internet connection. But, like many households these days, one router is not able to cover every area of the home. As a result you might face, weak signal upstairs. That’s where a booster like the RangeXTD WiFi Booster comes in. https://rangesxtd.com/how-to-connect-rangextd-booster-to-netgear-r6850-wifi-5-dual-band-router/