Amazon has the TP-Link N300 802.11n WiFi Range Extender (TL-WA855RE) for $18 with free shipping on $25+ or with Prime. List price: $30. Features transfer speeds up to 300MB/s. #1 Best Seller in Repeaters.

Has above average Amazon Reviews.

$18 Shop Now

Amazon has the D-Link DIR-2680 AC2600 Wireless Gigabit Router for $100 with free shipping. Features McAfee smart security, smart parental control, works with Alexa.

Has good Amazon Reviews.

$100 Shop Now

Amazon has the Schlage BR400 Sense Wi-Fi Adapter for $51 with free shipping. Features compatible with Schlage Sense Smart Deadbolt, requires 2.4GHz network.

$51 Shop Now

Ends 10/1. Amazon has the USBNovel 300Mbps WiFi Range Extender for $30 - $15 off with coupon FNLJF6O9 = $15 with free shipping. Features 300Mbps transmission rate, compatible with 802.11n/g/b wireless devices, repeater and AP modes, 24GHz band, includes Ethernet port.

$15 Shop Now