47 C.F.R. § 18.301
Operating frequencies.
Cite as 47 C.F.R. § 18.301 (2026)
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:
Table 1 to § 18.301
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]
- Cross-references to the CFR
- 18.30118.303.2.106