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医疗器械EMC工科医频带

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发表于 2021-7-20 02:25:55 | 显示全部楼层 |阅读模式

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GB 4824-2019 ISM 医疗器械EMC工科医频带

GB 4824-2019 ISM 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

ISM frequencies

ISM frequencies


Table 1 – Frequencies in the radio-frequency (RF) range designatedby ITU for use as fundamental ISM frequencies

  
  
Centre frequency
  
MHz
  

  
Frequency  range
  
MHz

  
Maximum
  
radiation limit b
Number of appropriate footnote to the table  of
  
frequency  allocation of the  ITU Radio Regulationsa
6,780
6,765 – 6,795
Under  consideration
5.138
13,560
13,553 – 13,567
Unrestricted
5.150
27,120
26,957 – 27,283
Unrestricted
5.150
40,680
40,66 – 40,70
Unrestricted
5.150
433,920
433,05 – 434,79
Under consideration
5.138 in Region 1, except



countries mentioned in 5.280
915,000
902 – 928
Unrestricted
5.150 in Region  2 only
2 450
2 400 – 2 500
Unrestricted
5.150
5 800
5 725 – 5 875
Unrestricted
5.150
24 125
24 000 – 24 250
Unrestricted
5.150
61 250
61 000 – 61 500
Under  consideration
5.138
122 500
122 000 – 123 000
Under  consideration
5.138
245 000
244 000 – 246 000
Under  consideration
5.138
a Resolution No. 63 of the  ITU Radio Regulations applies.
  
b The term “unrestricted” applies  to the fundamental and all other frequency components  falling within the designated band. Outside of ITU designated ISM bands, the limits for  the  disturbance  voltage  and  radiation disturbance in this standard apply.

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