The technology that uses electromagnetic fields to transfer data is known as wireless communication. This encompasses various protocols and technologies, such as Wi-Fi, Bluetooth, and cellular networks. Through modulation techniques, data is transmitted over electromagnetic waves, enabling devices to communicate without physical connections. These technologies facilitate a wide range of applications, allowing users to access the internet, share files, and connect devices seamlessly. The growing reliance on wireless communication highlights its importance in promoting connectivity and enhancing user experiences across different environments.