47 CFR 18.301 - Operating frequencies.

Regulations last checked for updates: Jan 18, 2025

Title 47 - Telecommunication last revised: Jan 15, 2025

View all text of Subpart C [§ 18.301 - § 18.313]

§ 18.301 - Operating frequencies.

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]

authority: 47 U.S.C. 154,301,302,303,304,307

source: 50 FR 36067, Sept. 5, 1985, unless otherwise noted.

cite as: 47 CFR 18.301