Here is an antenna that helps improve the range of your network. The Griddy Parabolic 4G, 5G, WiFi Antenna has 12-17dBi of gain on 600-960MHz frequency bands. Simply install it where you want a fast connection and the rest is easy.
Griddy connects to the antenna port on your hotspot, router and WiFi device. It can add up to 26dBi of gain to your wireless connection.