WiFi Channel Overlap Calculator

For 20 MHz Wi-Fi in the US regulatory domain, channels 1, 6, and 11 are the conventional three-channel plan because their occupied spectra do not overlap. Available channels and valid plans differ by country, channel width, and equipment. Configure the correct regulatory domain before using the calculator's recommendation.

UNII labels describe US FCC allocations within 5 GHz. Channel availability, power limits, indoor or outdoor rules, and DFS requirements differ by sub-band and regulatory domain. Do not apply the US channel list to equipment configured for another country.

Dynamic Frequency Selection requires an access point to detect protected radar use and leave affected channels. Initial checks and channel changes can delay service, but channels, timing, and power rules depend on the country and device certification. Use the access point's regulatory settings rather than fixed timing from this calculator.

Wi-Fi 6E extends Wi-Fi 6 operation into 6 GHz, where compatible clients can use additional channels without legacy 2.4 or 5 GHz clients. The amount of spectrum, permitted channel widths, power classes, and indoor or outdoor rules vary by country. Six-gigahertz operation also requires compatible access points and clients.

A 320 MHz channel requires compatible Wi-Fi 7 equipment, enough permitted 6 GHz spectrum, and a regulatory domain that allows the selected channel. Wider bandwidth can raise peak link rate but also consumes more spectrum and may face more interference. Measure throughput in the actual deployment rather than assuming it doubles.