WiFi Extender, Wireless WiFi Signal Booster N300Mbps/2.4GHz WiFi Range Extender for Home/Office with High Gain 5dBi x2 Antennas, Router/WiFi Repeater/AP Mode, Easy Setup, WPS Supported : Amazon.ca: Electronics
How to Connect to Only 2.4GHz or 5GHz Wi-Fi Band (Prevent Switching)