LOW POWER RADIO to nearby traffic. Broadcast messages to nearby traffic, to be heard over passing car radios. Crystal Controlled, is digital frequency synthesized channel for maximum reception distance. Zero drift PLL locks stations drifting, for very high stability operation under extreme temperature applications. PLL insures the ultimate area coverage with zero interferance drift into distant regional high power broadcast stations. "Replace 300 meter width electric billboard displays with your personal radio broadcasted 24 hour message, received by all local area car radios". Simple rental covers digitized radio message broadcasting services.