Deal: Spotty Wi-Fi network at home? This $20 gadget can helpEven the best routers can have trouble covering every nook and cranny of your home with Wi-Fi goodness. One option is to cough up $300 or so for a three-router “mesh” wireless network, like Google WiFi, but there’s a much cheaper way to go.

A Wi-Fi extender can give your existing router a much-needed helping hand, and Amazon is selling TP-Link’s AC750 range extender for just $20.

Update (12/16/2016): The $20 sale for the AC750 has ended, but the new $25 price tag is still a pretty good deal.

About the size of a plug-in air freshener, the AC750 plugs into a power outlet, picks up your router’s Wi-Fi signal and extends it to areas in your house that your current router can’t reach. This dual-band extender supports both slower, longer-range 2.4GHz and speedy, shorter-range 5GHz frequency bands (same as most of your Macs, PCs and handsets), while a “Smart Signal” light will flash if you install the AC750 too far from your primary router.

Check out the TP-Link AC750 Dual Band Wi-Fi Range Extender

Note: This deal expires after December 15, 2016.

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