A Wi-Fi repeater is a device that boosts and extends the range of your wireless network. It receives the existing Wi-Fi signal, amplifies it, and then transmits the enhanced signal to areas with weak or no coverage. This helps eliminate dead zones in your home or office, ensuring a more reliable internet connection for devices that are far from the main router. Easy to set up, Wi-Fi repeaters are ideal for improving connectivity in larger spaces or multi-story buildings.