47 CFR §80.481
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
In lieu of the technical parameters set forth in this part, AMTS transmitters may utilize any modulation or channelization scheme so long as emissions are attenuated in accordance with § 80.211 at the band edges of each station's assigned channel group or groups.