Amazon has TP-Link N300 WiFi Extender(TL-WA855RE)-Covers Up to 800 Sq.ft on sale for $17.99
Shipping is free w/Prime
Extend WiFi Coverage – Boost Internet WiFi Coverage up to 800 Square feet – Compatible with any WiFi Router, Gateway, Access Point
Eliminate WiFi Dead Zones – Enjoy Lag-Free connection to any type of devices, including wired devices via Ethernet Port
Stay connected – Expand WiFi coverage for your Smart Phones, Smart TV, Fire Stick, Google Chromecast, Web Browsing, Alexa Echo, Ring and more
Easy Set Up – Two simple taps and you are ready to connect, smart indicator light helps to install in best optimal location
Single Band 2.4GHz – Two external Antennas with MIMO technology for improved range versus standard range extenders
TP-Link is the world’s #1 provider of consumer WiFi for 7 consecutive years according to IDC Q2 2018 report