Amazon offers the D-Link Wi-Fi AC750 802.11ac Dual Band Range Extender for $19.99. Matched at Newegg. Shipping is free on orders over $25 or with a Prime membership. That takes nearly $20 off the regular going rate and is the lowest price we’ve tracked. Rated 3.4/5 stars, from 1,549 customers, but 40% are 5 star reviews.

D-Link AC750 Range Extender:

  • Extend the coverage of your home’s existing wireless network
  • Up to 750 Mbps (300 Mbps -2.4GHz and 433 Mbps – 5GHz)
  • High-speed wireless AC connectivity for your laptops, smartphones and tablets
  • Easily add dual band coverage to your existing single band router
  • Compatible with any wireless router brand
  • Wall plug design is compact, portable and does not require additional power cables
  • WPA2/WPA wireless encryption to keep your wireless connection secure
  • Wi-Fi Protected Setup (WPS) for secure setup with the simple press of a button

The Wi-Fi Dual Band Range Extender will turn your single band router into a dual band wireless router. You can now extend network access to more wireless devices such as laptops, smartphones, tablets and more. Dual-band technology helps reduce interference from nearby wireless transmitters in the home.