Reliable Long Range/ Full Coverage

What size is your home and what are the interior walls of the home made of? 

Many materials do a agreat job of blocking wifi and depending on your home size/materials, it might not change much

Are you looking for suggestions for "Mobile Routers, Hotspots & Modems"? You have posted your message in the section of this community given over to those devices. (This is easily done, given Netgear's complicated community structure.)

If you are really asking about routers, you might get more help in the appropriate sections. That's probably here:

Nighthawk WiFi Routers

Nighthawk Routers with WiFi 6 (AX) - NETGEAR Communities

General WiFi Routers (Non-Nighthawk) - NETGEAR Communities

Nighthawk Pro Gaming Routers - NETGEAR Communities

Orbi - NETGEAR Communities

You could also try plugging your needs into the filters on the product pages:

Wireless Routers for Home | NETGEAR

and

Orbi: Whole Home WiFi System for Better WiFi Everywhere | NETGEAR

Then check back here for reports on the things you are considering, but remember that people turn up in this community with problems, not compliments. So look at reviews on Amazon, for example.