
In the concrete jungle, the 1st device is enough for about 35-50m2 without significant signal loss (input 200Mbps, through 3 concrete walls the second block gives 180Mbps, without it - up to 20Mbps).

TP-Link Deco X60: Ultimate Whole-Home Mesh Wi-Fi3-Pack with WiFi 6 AX3000
19 Review

Ubiquiti UniFi AP AC LR UAP-AC-LR 2-Pack: Long Range Dual-Band Wireless Access Point, Gigabit PoE, 867 Mbps Speeds
17 Review

Tenda Nova Mesh WiFi System (MW3) - Complete Whole Home Coverage, 1-Pack
25 Review

Signal amplifier Tenda nova MW6-3 AC1200 Home Mesh WiFi system with 2 Gigabit ports. By
20 Review

UGREEN USB 3.0 Ethernet Adapter Hub with RJ45: Fast Gigabit Ethernet Converter, 3 Ports USB 3.0 Hub Compatible for MacBook, iMac, Surface Pro, Chromebook, Laptop, PC
11 Review

π uni USB C Hub with Ethernet Adapter, 4K HDMI, Gigabit Ethernet, and 3 USB 3.0 Ports for MacBook Pro, iPad Pro, XPS
11 Review

π USR-TCP232-410s: RS232/RS485 Serial to Ethernet Adapter/IP Device Server with DHCP/DNS Support
4 Review

π CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
3 Review