It is pretty easy to connect the RangeXTD booster with the already set up Nighthawk RS300 router device. There are basically two main methods to pair the devices in minutes: Via RangeXTD app and other is Web-based interface. But first, let’s see why you should connect them. https://rangesxtd.com/how-to-connect-rangextd-booster-to-nighthawk-rs300-router/