communication by radio
Defined in 1 dictionary — U.S. Code
United States Code
47 U.S.C. § 153 — for the purposes of this chapter (2 versions over time)
The term “radio communication” or “communication by radio” means the transmission by radio of writing, signs, signals, pictures, and sounds of all kinds, including all instrumentalities, facilities, apparatus, and services (among other things, the receipt, forwarding, and delivery of communications) incidental to such transmission.