A new router may not be much better than the old one in a large 3 storey house. The signal could be degraded by the house structure.
Have you considered a home plug system? There are also range boosters.
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.