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ISM
ISM stands for "Industrial, Scientific and Medical". It refers to several radio bands left "unlicensed" due to several issues.The 2.4GHz ISM band is being made available "unlicensed" due to noise radiated from devices, the most common being microwave ovens. It's also becoming useful for technologies such as Wireless LANs, Bluetooth, cordless telephones, baby monitors, security monitoring, and several other applications using spread spectrum technology.
In Australia, The ACA have allocated the following ISM bands:
- 6.765 MHz to 7 MHz
- 13.41 MHz to 13.57 MHz
- 26.175 MHz to 27.5 MHz (CB-Radio fits within there)
- 39 MHz to 41 MHz
- 902 MHz to 928 MHz (Very common with cordless telephones, and older WLAN technology)
- 2.4 GHz to 2.4835 GHz (Sometimes called "The ISM Band")
- 5.725 GHz to 5.83 GHz
- 24.05 GHz to 24.25 GHz
- 59.3 GHz to 64 GHz
- 122.25 GHz to 123 GHz
- 241 GHz to 248 GHz
(Note: I must admit some of these frequencies aren't accurate. Check the ACA's website for more information)
Version 1 (current) modified Mon, 26 Jul 2021 12:49:29 +0000 by tyson
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