The following table defines the unlicensed frequencies available in a number of countries:
Country | Frequency | Notes | Standards |
US | 2.400-2.483.5 GHz | ISM Band (max 4W EIRP) | 802.11/11b |
902-928 MHz | ISM Band (Used by GSM in most countries) | ||
5.800-5.925 GHz | ISM Band | ||
5.15-5.25 GHz | UNII (Unlicensed - National Information Infrastructure) max. 200 mw EIRP | 802.11a | |
5.25-5.35 GHz | UNII max. 1w EIRP | 802.11a | |
5.725-5.825 GHz | UNII max. 4w EIRP | 802.11a |
For a complete list of all US frequencies go to the US Frequency Allocation site.
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