House type: Landed (terrace)
Size of house: 2000sqf and 3 floors
Features required: Stable Coverage
Number of devices connected to WiFi: 5
Internet Speed: 300Mbps
Budget: <RM2000
Current Situation: Unifi is setup in ground floor but third floor couldn't get any internet coverage

There are some recommendations on mesh wifi. What about your input? If mesh wifi is recommended, any recommended shop that assist to provide installation or setup?