Smart WiFi and Presence Detection with Home Assistant - Ubiquiti UniFi
Put an end to weak WiFi issues in your smart home and add reliable presence detection as a bonus. The affordable enterprise grade WiFi system will give all of your smart home products and mobile devices a stable and reliable WiFi signal in all of your home. The cost is usually about the same if not less what you would spend on other systems.
UniFi Security Gateway (Router)
UniFi AC Lite
UniFi AC Long Range
UniFi AC Pro