How to Connect Two Routers & Have the Same SSID - Networking Guides
How to connect multiple WiFi routers and Expand WiFi signal (Step by step) - YouTube
How to Setup Multiple SSIDs and VLANs - CWM-100 | D-Link UK
Amazon.com: TP-Link WiFi Access Point TL-WA801N, 2.4Ghz 300Mbps, Supports Multi-SSID/Client/Bridge/Range Extender, 2 Fixed Antennas, Passive PoE Injector Included : Electronics
networking - Ways to set up routers with the same SSID - Super User
Amazon.com: WiFi Router- AC2100 Dual-Band Smart Wi-Fi Router Upgrades to 2033 Mbps (5G) High-speed, Features MU-MIMO, 4 Gigabit LAN Ports, ONE SSID, Parental Control, Lifetime Internet Security for Video & Gaming :
Linksys Official Support - The two types of dual-band routers
Configure Multiple SSIDs on a Network - Cisco
Two MikroTik's - One WIFI - MikroTik
macOS: How to Force Connect to 5GHz or 2.4GHz WIFI Band (Same SSID)
Amazon.com: Monoprice netis AC1200 Wireless Dual Band Gigabit Wi-Fi Router/Repeater, High Gain 5dBi Antennas, WPS Button, AP, Repeater, Client, Multi-SSID, Easy Quick Setup : Electronics
DD-WRT :: View topic - Two routers same subnet
ASUS Router)How to configure separate Wi-Fi SSIDs for 2.4 GHz and 5 GHz bands?