FCC Regulations
The Federal Communications Commission (FCC) regulates the devices operating in all frequency bands and provides unlicensed spectrums. The FCC is specific to the United States; other countries have different guidelines and regulatory organizations.
For devices that fall in the licensed spectrum, the consumer must register the devices, perform tests, and so on. The industrial, scientific, and medical band (ISM band), which includes 2.4 GHz (802.11b and 802.11g) and 5 GHz (802.11a), falls in the unlicensed spectrum category. In most countries, the ISM band is in the range of 902 MHz to 5.850 GHz. Cordless phones (900 MHz, 2.4 GHz, and 5 GHz), microwave ovens (2.4 GHz), garage door openers, and so on fall into this unlicensed spectrum ...
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