Amazon.com: TP-Link WiFi Extender with Ethernet Port, Dual Band 5GHz/2.4GHz , Up to 44% more bandwidth than single band, Covers Up to 1200 Sq.ft and 30 Devices, signal booster amplifier supports OneMesh(RE220) :
TP-Link AC750 Wi-Fi Range Extender White RE205 - Best Buy
TP-Link AC750 WiFi Extender (RE220), Covers Up to 1200 Sq.ft and 20 Devices, Up to 750Mbps Dual Band WiFi Range Extender, WiFi Booster to Extend Range of WiFi Internet Connection - Walmart.com