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Everything in Modulation Since our founding in 1983, we have become the go-to source for exclusive radio, streaming and signage solutions utilized by government agencies, schools, churches,  nonprofit groups, broadcasters, businesses and individuals. A source for Travelers Information Stations since their inception, our products now include fixed / portable solutions for emergencies and events, networked content delivery, streamed simulcasts, high performance antennas and specialized notification signs. A variety of license-free and amateur radio solutions and a line of "AMReady" broadcast products round out our offering. Information Station Specialists also offers a full range of services, including system rentals and installation, audio recording and program management and lifetime support for every system. The result is a tailored communication solution that fits your application precisely. The AM Radio network in the US is recognized for its unique ability to communicate safety information when it counts; it’s here for your agency or community today. We are your specialists. Email us anytime; or call 616.772.2300, 9am to 5pm Eastern.

Communication Solutions for . . . Government Agencies & Partners Information Radio Systems allow federal, state, local and tribal agencies, with their private-sector partners, to speak to the public via car radio and portable devices 24/7. This unique noncommercial service can be a lifesaver when public safety is an issue. Choose among fixed, portable and wide-area versions with special signage options. Licensing, installation, training, emergency rentals and simulcast streaming services are available. Special Event Operators Rent a radio service for your next event. Portable EventCAST systems are an affordable way to speak to approaching patrons about parking, directions, procedures and venue safety, just as they arrive. These systems operate in association with a local government agency or educational institution.   AM Radio Broadcasters We stage AMReady antennas, transmitters and audio systems for quick shipment to assist AM broadcast engineers in keeping stations on the air at low power during moves and emergencies. These solutions are ready-to-ship for the most common AM frequencies. Options include short-term rentals, preowned components and discounted engineering services. Schools & Nonprofits Universities, local school districts and nonprofit organizations employ radio and streaming services to accomplish communication goals. Broadcast content examples include educational/training material, entertainment, safety info, parent/teacher programs, advertising, fundraising appeals and more.   Everyone – License Free Anyone may use professional-quality InfOspot Radio Transmitter Systems to broadcast almost any content, including music and commercials. An FCC license is not required. InfOspots can be tailored to any application – industrial, commercial, nonprofit or personal – with dozens of custom accessories. HAM Radio We partner with amateur radio enthusiasts as they pioneer the new 630-meter band (472-479 kHz). New product entries include our affordable “The Lowdown” antenna and a variety of accessories..

News & More Another California Community Enhances Communication across the LA Area   Located in the Los Angeles area, Rancho Palos Verdes is completing installation of their Emergency Advisory Radio Station in May 2026. Due to the City's prominent position on the shore south of LA, the 1680 kHz signal blankets the City, along with neighboring communities. (Pictured L-R:are Gary Lopes and Wouter van Biene.) Photo by Tom Coviak, Information Station Specialists View 'Stories from the Field.' Read about Information Radio Stations used for emergencies, public health, special events, outdoor recreation, historic sites, transportation, and more.