Preowned - works great

NETGEAR AC750 WiFi Range Extender, EX3700 - 2.40 GHz, 5 GHz - 1 X Network (RJ-45) - Ethernet, Fast Ethernet - Wall Mountable

Coverage Up to 1000 Sq Ft and 15 Devices with AC750 , and Compact Wall Plug Design

Wireless Communication Standard
802.11n, 802.11b, 802.11a, 802.11ac, 802.11g
 
Data Transfer Rate 750 Megabits Per Second
Frequency Band Class Dual-Band
Connector Type RJ45

EXTENDED WIRELESS COVERAGE: Adds Wi-Fi range coverage up to 1000 sq ft, and connects up to 15 devices such as laptops, smartphones, speakers, IP cameras, tablets, IoT devices, and more..

Connectivity protocol: Ethernet, Wi-Fi

AC750 WI-FI SPEED: Provides up to 750Mbps performance using dual-band and patented FastLane(TM) technology.
 
UNIVERSAL COMPATIBILITY: Works with any wireless router, gateway, or cable modem with Wi-Fi.

WIRED ETHERNET PORT: Simply plug in game consoles, streaming players, or other nearby wired devices using the one 10/100M port for maximum speed.
 
SAFE & SECURE: Supports WEP and WPA/WPA2 wireless security protocols.

SIMPLE TO SETUP: Press the WPS button to connect to your router. Use the NETGEAR WiFi Analyzer app for optimal location