If one computer in the farthest reaches of your home has trouble seeing your Wi-Fi network, you don't have to drop hundreds on a mesh networking system. A USB Wi-Fi antenna is a much more ...

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The TP-Link AC1900 Smart WiFi Router is $49 right now, 38% off the usual price. If your internet’s been dragging or your old router isn’t cutting it, this could be a good, affordable upgrade.

This router features the fastest AC1900 version of 802.11ac, which features one 5GHz network and one 2.4Ghz network (a cheaper and slightly slower version is available with AC1750 wireless).