Information Station Specialists is the best known source of travelers information stations, highway advisory radio, advisory signs and services needed to reach motorists with public service information. Learn more about Information Station Specialists.
               Information Station Specialists website 

Portable Information Radio Station/Changeable Message Sign

FCC-Licensed Travelers' Information Station | Highway Advisory Radio
AEL/SEL Categories 03OE-03-SIGN & 04AP-09-ALRT • NIMS ESF #3 • GSA Approved
Customer Review

See VoiceStar use during the COVID Pandemic: "Radio 'Inoculation Stations' inform the incoming at vaccination locations,"
The Source, Jan 2021
"Our VoiceStar Portable and RadioSTAT Emergency Advisory Radio Stations are constantly being utilized by a variety of county agencies for a variety of missions. While their utility in disaster response is self-evident, they provide a valuable component to exercises, vaccine clinics and whenever we need to communicate information to a continuous stream of community members. Our Auxiliary Communications Volunteers have created a process to create messaging and respond whenever the equipment is activated."
Steve Johnston
Emergency Prep Specialist
Ventura County Public Health, CA

Related Links

Brochure to Print - pdf

Planning Steps

Technical Specifications


Communicates Critical Information Instantly  
VoiceStar is a portable information station plus changeable message sign, ready to roll. This trailer-mounted unit can be configured as a stand-alone information radio station or a stand-alone changeable message sign or both.

Notify the public at highway construction zones, traffic incidents, safety and health emergencies and major events. Stations are often integrated into a system of several units to instantly notify the public at highway construction zones, traffic incidents and in health and safety emergencies.

Powered by a robust array of solar panels and battery backup, VoiceStar stations can go anywhere, anytime. They are built to operate in isolated locations for weeks at a time. The radio messages and sign text may be programmed locally or remotely via cell modem.

VoiceStar has 'quick startup' and can be broadcasting and/or providing its message display in fewer than 5 minutes.

After parking the trailer, the operator swings up the antenna, lays out the portable groundplane and flips on the power. Batteries are immediately online. If AC power is available, the operator has the option of plugging in and charging the system’s batteries while operating. The solar array is aligned to allow positioning of the trailer in any roadway orientation.

VoiceStar's groundplane system offers a signal range to match that of fixed information radio stations (25-75 square miles).
But only VoiceStar provides the option for 2 transmitters – of the same or different frequencies – in the same cabinet, with single-switch changeover between transmitters. This allows the operator to change frequencies or change to a backup transmitter on the fly.

VoiceStar's bright lensed-LED changeable message sign in the standard character matrix format offers many message programming options.

Every VoiceStar system comes stocked with prerecorded external messages prepared by professional announcers. You may commission additional recording services for dated messages. In addition, AAIRO members who operate VoiceStar systems can access a professional broadcast message recording service at no charge during the lifetime of the system.

Information Station Specialists supplies Remote Technical Support for the life of each station. State and local governmental entities may purchase our products without going to bid, if they join the HGACBuy purchasing cooperative as end users. Membership is free. Here's how easy it is to join.

VoiceStar systems are made available in partnership with American Signal Company.
Sign Only Radio Station Only or with Changeable Message Sign
VoiceStar CMS VoiceStar Radio Station + Changeable Message Sign VoiceStar T100 VoiceStar T100 Radio Station (only)

Portable Changeable Message Sign 
Portable Changeable Message Sign (only) FASTrack Quick Erect Sign  FASTrack Quick-Erect Sign (for use with the T100 Radio Station only)
Plan a Station / Request a Quote
Contact Bill Baker to help plan the best configuration for your setting and to get a quote. See Typical Planning Steps for planning a VoiceStar Portable Information Radio Station / Changeable Message Sign
Who operates VoiceStar systems?

Radio stations for use by government agencies and emergency medical providers.
Broadcast Content 
  • Transportation Agencies: DOTs, turnpikes and bridges.
  • Local Governments: emergency management, law enforcement and public health agencies.
  • Industrial Plants: forHazMat impact on residents.
  • Military Bases.
  • National Parks.
  • Events: air shows, fairs, parades, conventions, golf tournaments and other sports events.
Information radio stations may broadcast content relating to public safety and travel, such as road conditions, weather, directions, emergency and other general interest topics to motorists.

Broadcasts must be voice-only with no commercial content. See our Permitted Broadcast Content webpage for details.  

See the Ventura County, California, VoiceStar case study.   
Frequency & Licensing
VoiceStar Portable Information Radio Stations are licensed on frequencies 530 to 1700 kHz AM, secondary to standard AM broadcast stations. 

Via solar wireless communication, operators can program broadcast messages and the changeable sign display remotely. Range is 3-5 miles (25-75 square miles) across average terrain. The FCC’s special “broad area” license (good for 10-years and renewable) affords operators a territory in which each VoiceStar may roam. Licenses can also specify a fixed operation point, if desired.

See our Frequency/Licensing page where you can download a form to complete and return, requesting this service. 
Information Station Specialists provides a full menu of technical services to help you put and keep VoiceStar on the air. We will help plan and implement your station, including frequency and site selection, FCC licensing, installation, staff training and the FCC-required field survey and documentation. Even professionally recorded audio messages are available, so your broadcast is ready to put on the air as soon as the station is turned on. Best of all, each system comes with remote technical support for the life of the station.

Sole Source. We frequently are the only source for the products and services we offer and can send you support letters to affirm that for your purchasing documentation.

HGACBuy. If you are a state or local government agency anywhere in the US and you are a HGACBuy cooperative member - or want to join as an end user - you can purchase our products without the necessity of going out to bid. Membership is free to villages, towns, cities, townships, counties, state agencies, departments, authorities, districts, councils or nonprofits doing work for such entities. Here's how to join.

Competitive Process. If you must seek competitive bids or quotes, we can supply specifications (in text form) so you can easily integrate them into bid documents.

Purchases by governmental entities can be made by purchase order, agency order on letterhead, VISA/MC (up to $3,500) or simply by signing and returning our quote sheets. Standard terms are Net 30 days.

Lease-to-own terms are also available. Inquire for details.

In addition to the VoiceStar Portable Information Radio System, we offer fixed information radio systems and hand-portable information radio solutions as well.

Contact Us All Products at a Glance Alert Stations across the USA Customer Support Policy Site Map
Customer Support Policy For Emergencies Case Studies FCC Frequencies & Licenses
Founding & Firsts For Health Applications FAQs Installation, Testing, Training
Privacy Policy For Highways FCC-Permitted Broadcasts Professional Recordings
For Visitor Information Glossary of Radio Terms Purchase Options
  For Other Common Applications News from The Source Rentals  
For License-Free Stations Operators' Zone Streaming
  Why Customers Say They Buy

©  1983-2021  • Information Station Specialists, Inc. •  All Rights Reserved
PO Box 51, Zeeland, Michigan, USA, 49464-0051, Phone 616.772.2300, Fax 616.772.2966, Email Form

The USA's best known source for information radio station equipment, related products and technical services.

 Trademarks: 2X Signal Booster, ALERT AM Emergency Advisory Radio System, ANXX AM Radio Antenna, AP55 Digital Message Player, ENcast Emergency Notification Broadcast System, FAS.6000 Flashing Beacons & Controller, FASTrack Quick-Erect Sign, FlashCAST Internet Broadcast Service, Flashing ALERT Sign System, FlexPlane Factory-Assembled Groundplane, Free-Radiate On-Premise Radio Broadcast System, HearMoreInfo Internet Broadcasts, HPR.0990 High Performance Antenna, i A.M. Radio Transmitter, Information Station Specialists, InfoRadio Format, Information Station Classic, Information Station IP, Information Station USB, InfOSpot AM Radio Transmitter System, IP8 Digital Message Player, IP.76 Digital Message Player, ITS.6000 Highway Advisory Radio Network, LIGHTNING LED Portable Changeable Message Sign, MGR.021 Digital Audio Management System, NX8R Digital Message Player, EventCAST Portable Information Radio Service, RadioSAFE Wide Area Emergency Broadcast System, RadioSTAT Portable Emergency Advisory Radio Station, RE 2.5 Range Extender Outdoor Antenna and Tuner, Severe Storm Detector, Signal Measurement Radio Receiver, Stealth Sign, StreamCAST Internet Broadcast Service, SS.3000 Free-Standing AM Radio Antenna System with Tower, Stylized ISS Logo, SX.200 Wattmeter, Talking House AM Radio Transmitter, TH.5 InfOspot Transmitter, TR.6000 Transmitter Model HQ 5.0, TMS.020 Digital Audio Management System, TR.6000 Transmitter Model 15.73, VoiceStar Portable Highway Advisory Radio Station (with or without Changeable Message Sign), VP.9000 Vertical Profile Antenna Support and Grounding System, Wireless Audio Link..

Information Radio Stations is a generic term synonymous with Travelers Information Stations (TIS), Highway Advisory Radio Stations (HAR) / Highway Information Systems & Low Power Radio Stations (LPR). Operation of the stations is governed by FCC Part 90.242 Rules. A FCC license is required. Information Radio Stations may be fixed or portable. Subcomponents may include transmitter, antenna and ground system, digital voice player, wateter, cabinet with conventional or Corbin locks, lightning arrestors for RF, power and telephone lines, coaxial cable. Most stations employ black maximized antennas to discourage ice accumulation and security measures to prevent unauthorized program access. Options include synchronization, battery backup, solar power, remote programming by local, network or telco, multi-station audio distribution via RF or LAN / WAN or wireless network.