On Hub Google Router will be nice for my Dad. I always have to do changes on the D-Link router I have set up there now so this will be much easier to manage.
http://www.amazon.com/Asus-Wireless-Router-Firewall-SRT-AC1900/dp/B017C0HZEO/ref=sr_1_fkmr0_1?s=pc&ie=UTF8&qid=1449129808&sr=1-1-fkmr0&keywords=OnHub+Wireless+Router+from+Google