what is a wifi extender

802.11n Wall Plug Wifi Booster , 2.4G 4G Router Wifi Extender

802.11ac USB Dual Band WiFi Module Long Range WiFi Extender With RTL8811CU Chip

5.8GHz Wireless Wifi Repeater 1200 Mbps Ac1200 Wifi Range Extender

DC5V Wifi RS232 Adapter Remote Config RS232 Wireless Extender 165Ft Transmit Distance

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40MHz 2.4G 5.8G Drone Uav Fpv Dual Band WiFi Booster Mini Size 46g

50W 40dB 300-450MHz 28V Strongest Wifi Extender For High Power Applications

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2.4 / 5.8g Dual Band 5dBi Magnetic Mount WiFi Extender Antenna For PC PCI Card

Home 300Mbps Wall Plug WIFI Extender 802.11b WIFI Repeater Booster

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USB WiFi Extender 300Mbps WiFi Repeater 802.11 B/G/N Signal Booster Amplifier COL-UE01

Stable 1200Mbps Dual Band WiFi Extender , 5dBi Antenna WiFi Network Repeaters