USB WLAN adapter ARCHER-T3UPLUS AC1300 High Gain Wireless Dual Band USB Adapter, 867 Mbps on 5 GHz, 400 Mbps on 2.4 GHz, MU-MIMO, High Gain Antenna

TP-Link TL-WA860RE, 300Mbps Wireless N Wall Plugged Range Extender with AC Passthrough, QCA(Atheros), 2T2R, 2.4GHz, 802.11n/g/b, Ranger Extender button, Range extender mode, with 2 fixed Antennas

With no new wires or cables, within range of their existing wireless network, users can easily extend wireless coverage at a push of the WPS button on their router followed by the Range Extender button on the TL-WA850RE or vice versa within 2 minutes.