StacksVerified U.S. regulatory reference

47 CFR §18.301

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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: