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Frequency refers to the number of times a wave or signal oscillates or cycles per second, measured in hertz (Hz). In telecommunications, it determines the specific radio wave used to transmit voice, data, or video signals across the air. Mobile networks, Wi-Fi, Bluetooth, and radio all operate on assigned frequency bands (e.g., 2.4 GHz, 700 MHz) to ensure clear and reliable communication. Higher frequencies can carry more data but often have shorter range, while lower frequencies travel farther but with less capacity. Frequency is a critical factor in wireless performance, coverage, and device compatibility.
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