Amazon.com: ConnectSense Router Rebooter, Monitors Your Internet and Automatically Reboots When A Connection Failure is Detected, Can Be Used as a Scheduled ON/Off Cycler or Remote ON/Off Controller : Electronics
Keep Connect Router Wifi Reset Device - Auto Reboot Router, with Notifications via Text and Email - Walmart.com
How to reboot your router automatically when Wi-Fi goes down! - Zobox Router Rebooter - Tech Talk - YouTube
How to reset your wireless router remotely
Get a NetReset modem-router power cycler for $34.99 - CNET