A radio signal that connects nearby devices to the A global system of interconnected mass of cables, computers,.... A network is created when a Allowing a device to connect something without wires. Wi-Fi ... The box that you plug devices into so they can get online. I... connected to the internet sends its signals to any Wi-Fi enabled device within roughly 50 meters. Hedy Lamarr, the Austrian-American actress, is credited for developing the technology that formed the foundation of Wi-Fi, GPS, and Short-range wireless technology that connects devices that a... communication.