Tech9
Part of the Furniture
In a difficult Wi-Fi environment you need multiple 2x2 units. Paying extra for 4x4 won't give you any performance or user experience advantages. The equipment choice is somewhat limited in your country, but I would even go with wall plate APs on low power. One per room on 20mW for example.
This style is getting popular lately.
www.tp-link.com
www.zyxel.com
This style is getting popular lately.

AX1800 Wall Plate WiFi 6 Access Point
New Experience of Room Coverage with WiFi 6—AX1800 Wall Plate WiFi 6 Access Point. 4 Gigabit Ethernet ports for bridging (1× uplink + 3× downlink), with one downlink port supporting PoE pass-through to provide power for wired device. Ideal for the use in hotel rooms, hospital, offices...

WAX300H - AX3000 WiFi 6 Dual-Radio NebulaFlex Pro Wall-Plate Access Point | Zyxel Networks
Designed for hotel rooms, WAX300H is an AX3000 Dual-Radio Wall-Plate PoE AP. It comes with four Ethernet ports (1 uplink + 3 downlinks) allow you to connect multiple devices to your network without additonal wiring cost.