The TP-Link RE704X is an excellent Wi-Fi extender with great performance that can use 160MHz data channels but it does get quite hot.
The TP-Link RE705X is the best plug-in Wi-Fi extender for most people
TP-Link RE705X Wi-Fi Extender: Amplifying Connectivity
Enhance Your Wi-Fi Coverage: TP-Link RE705X Extender Review!
TP-Link RE505X Review: Turn your router into a mesh system
Customer Reviews: TP-Link AX3000 Dual-Band Wi-Fi 6 Range Extender
Should You Buy a WiFi Extender? - Consumer Reports
TP-Link RE505X Review: Turn your router into a mesh system
TP-Link RE700X Review: A super-fast extender
TP-Link RE715X Review: Versatile yet Limited
TP-Link RE705X Wi-Fi extender review
TP-Link RE715X Review: Versatile yet Limited