Region 1 comprises Europe, Africa, the Middle East west of the Persian Gulf including Iraq, the former Soviet Union and Mongolia.
Region 2 covers the Americas, Greenland and some of the eastern Pacific Islands.
Region 3 contains most of non-former-Soviet-Union Asia, east of and including Iran, and most of Oceania.
868 MHz Region 1
900 MHz Region 2
2.4 GHz harmonized Worldwide
5.7 GHz harmonized Worldwide
2.4 GHz ISM band: Bluetooth, Wi-Fi ( IEEE 802.11 ), up to various other wireless technologies such as ZigBee, IEEE 802.15.4 and WirelessHART and also proprietary radio links share this band.
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