NETGEAR AC1900 WiFi Range Extender – Essentials Edition – Link 
Amazon has this currently marked down to its lowest ever at only $79.99 w/ free shipping.
- Ideal for extending WiFi to devices like the iPhone 6S, Samsung Galaxy S7 Edge, iPad Air 2, and MacBook Pro
- Extreme dual band WiFi speed – up to 1.9Gbps
- High-power amplifiers & internal antenna array increases range
- MU-MIMO for simultaneously streaming to multiple devices
- FastLane Technology – Use both WiFi bands to establish one super high-speed connection; ideal for HD streaming & gaming
- Works with any standard router or gateway