There are a few things you should look for in a WiFi extender, including: Range: The range of the WiFi extender is important, as you'll want to make sure it can reach the farthest corners of your home or office. Speed: The speed of the WiFi extender is also important, as you'll want to make sure it can keep up with your needs. Compatibility: You'll also want to make sure that the WiFi extender is compatible with your router and other devices. Ease of use: Finally, you'll want to make sure that the WiFi extender is easy to set up and use.