"Radio advertisements" refers to the commercials or promotions that are broadcasted on the radio to promote products, services, or events. Full definition
In terms of radio advertisement, this medium is cheaper compared to television. (wannadrive.com)
The student government raised money to run radio advertisements. (sbnation.com)
In July 2008, the current entity called AEA sponsored radio advertisements in New Mexico, attacking congressman Tom Udall, who is now a U.S Senator, for his opposition to oil drilling. (sourcewatch.org)