医疗器械EMC工科医频带
GB 4824-2019 ISM 医疗器械EMC工科医频带CISPR 11 © IEC:2009+A1:2010 ISM 频带
Table 1 – Frequencies in the radio-frequency (RF) range designatedby ITU for use as fundamental ISM frequencies
Centre frequencyMHz
FrequencyrangeMHz
Maximumradiation limit bNumber of appropriate footnote to the tableoffrequencyallocation of theITU Radio Regulationsa
6,7806,765 – 6,795Underconsideration5.138
13,56013,553 – 13,567Unrestricted5.150
27,12026,957 – 27,283Unrestricted5.150
40,68040,66 – 40,70Unrestricted5.150
433,920433,05 – 434,79Under consideration5.138 in Region 1, except
countries mentioned in 5.280
915,000902 – 928Unrestricted5.150 in Region2 only
2 4502 400 – 2 500Unrestricted5.150
5 8005 725 – 5 875Unrestricted5.150
24 12524 000 – 24 250Unrestricted5.150
61 25061 000 – 61 500Underconsideration5.138
122 500122 000 – 123 000Underconsideration5.138
245 000244 000 – 246 000Underconsideration5.138
a Resolution No. 63 of theITU Radio Regulations applies.b The term “unrestricted” appliesto the fundamental and all other frequency componentsfalling within the designated band. Outside of ITU designated ISM bands, the limits forthedisturbancevoltageandradiation disturbance in this standard apply.
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