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Table 8 An overview of the ISM frequency bands defined by the ITU-RR [68]

From: Impact of EU duty cycle and transmission power limitations for sub-GHz LPWAN SRDs: an overview and future challenges

Start freq. End freq. Center freq. Remarks
6.765 MHz 6.795 MHz 6.780 MHz  
433.05 MHz 434.79 MHz 433.92 MHz Only in most countries belonging to region 1
61 GHz 61.5 GHz 61.25 GHz  
122 GHz 123 GHz 122.5 GHz  
244 GHz 246 GHz 245 GHz  
13.553 MHz 13.567 MHz 13.560 MHz  
26.957 MHz 27.283 MHz 27.120 MHz  
40.66 MHz 40.70 MHz 40.68 MHz  
902 MHz 928 MHz 915 MHz Only in region 2
2.400 GHz 2.500 GHz 2.450 GHz  
5.725 GHz 5.875 GHz 5.800 GHz  
24 GHz 24.25 GHz 24.125 GHz