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+[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 Bluetooth], cordless telephones, baby monitors, security monitoring, and several other applications using [SpreadSpectrum 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) 
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