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50 FR 36067, Sept. 5, 1985, unless otherwise noted.
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ISM equipment may be operated on any frequency above 9 kHz except as indicated in § 18.303. The following frequency bands, in accordance with § 2.106 of the rules, are designated for use by ISM equipment:
| ISM frequency | Tolerance |
|---|---|
| 6.78 MHz | ± 15.0 kHz |
| 13.56 MHz | ± 7.0 kHz |
| 27.12 MHz | ± 163.0 kHz |
| 40.68 MHz | ± 20.0 kHz |
| 915 MHz | ± 13.0 MHz |
| 2450 MHz | ± 50.0 MHz |
| 5800 MHz | ± 75.0 MHz |
| 24.125 GHz | ± 125.0 MHz |
| 61.25 GHz | ± 250.0 MHz |
| 122.50 GHz | ± 500.0 MHz |
| 245.00 GHz | ± 1.0 GHz |
[85 FR 38740, June 26, 2020]