The 2.4 GHz and 5 GHz frequency bands are designated for unlicensed use, meaning they can be used without a government allocation. They are commonly used for consumer Wi-Fi and Bluetooth devices. Licensed frequencies are those that require government permission and are typically allocated for use by entities such as television and radio broadcasters or mobile phone operators to avoid interference.
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What are licensed and unlicensed frequencies?
What devices commonly use the 2.4 GHz and 5 GHz frequencies?
Why is it important to understand frequency bands in wireless communication?