A Wi-Fi repeater is also known by several other names such as Wi-Fi range extender or Wi-Fi extender. As the name suggests, Wi-Fi repeater is used to repeat the existing Wi-Fi signal to expand its ...

So, you're happily streaming a TV show on your phone, but when you move to a different room, your Wi-Fi suddenly cuts out. This has been an age-old problem, especially in homes with a single router.