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 

Download an InfOspot brochure.

Use Examples
Savannah National Wildlife Refuge Uses InfOspot
Federal Agency Use
Click here to see why the Savannah National Wildlife Refuge chose InfOspot instead of the Internet to deliver interpretive services to visitors.
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Airport Use
Click here to see a real-time interpretation story about how the Gerald R Ford International Airport uses information radio to share pilot-ground communications. 
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InfOspot Stations Used in Conjunction with Billboards
Click image to view.
Billboard Use
InfOspot in New York City: CBS Outdoor proposed InfOspot transmitters on two different billboards. The one pictured above (click thumbnail to view) is at the exit to the Midtown Tunnel, where traffic sits and moves slowly enough for people in vehicles to tune into what Prudential Insurance will want to tell them via radio.
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Zane Grey Museum Travelers Information Station
See how the Zane Gray House uses InfOspot.

InfOspot License-Free Radio Station

Custom Professional Packages

InfOspot is the first professional, license-free radio station available for government, nonprofit and individual applications. It is the most affordable solution for local area broadcasting, offering the widest latitude in frequency flexibility, audio quality, broadcast content and programming convenience.

Designed to operate under FCC Part 15 Rules, InfOspot is capable of up to 100 milliwatts of power, yielding a range of up to 1/2 mile even when mounted at a modest height of 20 feet above ground. The InfOspot System offers unprecedented flexibility and affordability when compared to higher powered, licensed systems:

(*) FCC rules do not allow the broadcast of objectionable content or the use of a frequency that causes interference to other radio stations.
Basic Package

The basic InfOspot System Includes the TH.5 Transmitter with its internal, 2-message Digital Audio Player, Range Extender Outdoor Antenna and Tuner with mount and 25’ of RG6 coaxial cable.

Custom Packages
  • Audio Enhancement. The i A.M. Radio option maximizes the TH.5 Transmitter's dynamic range and modulation levels for an even louder and more natural sound. This enhancement includes a hand-held microphone for best recording / live audio quality. Currently, this version is out of stock, based on heavy demand. Feel free to email us your contact info and ask to be wait-listed.
  • Dynamic Hand Microphone for higher quality recordings on the transmitter’s internal digital audio player.
  • External Digital Audio Player allows operation via USB/Flash drive for highest quality and convenience allows operation via USB/Flash drive for highest quality and convenience.
  • Quick-Setup Portable Stand gets the Range Extender up in the air quickly in a venue like a parking lot or flat roof, yard, etc. Add sandbags on the feet for stability if needed. Light weight and portable. Includes a fiberglass mast that extends up to 19’ for maximum range but is adjustable lower as needed. Includes mounting hardware and freight.
  • Portability Package includes carrying case and quick-setup stand, incorporating the External Digital Audio Player and Network Connectivity.
  • Network Connectivity add LAN/WAN connectivity to the External Digital Audio Player for remote program control.
  • Wireless Audio Uploads via wireless gateway.
  • Audio Management Software for message creation, processing and for upload to one or multiple stations via network/wireless.
  • Indoor/Outdoor Cabinet to house transmitter and audio components. Includes 19” rack rails.
  • Antenna Stand for flat roof installations with no penetrations. Includes mast, frame and pads.
  • Additional Coaxial Cable in various standard lengths.
Planning Your Station / Requesting a Quote
Contact us to plan your station's configuration and to obtain a quote.
Who operates InfOspot stations?

Selected InfOspot Operators

  • Atlantic Records, NY
  • Bulldog Motorcycle Club, MI
  • CBS Outdoor, NY
  • Cleveland Metroparks, OH
  • Dignity Memorial Funeral Homes, TX
  • Fan Mountain Observatory, VA
  • Gerald R Ford International Airport, MI
  • Hennepin County Emergency Management Department, MN
  • Hunter Middle School, TN
  • Martinsburg Veterans Administration Medical Center, WV
  • McDonald Observatory, TX
  • Moraine Park Technical College, WI
  • Mount Carmel Hospitals, OH
  • New York State Department of Transportation, NY
  • Riverside, CA
  • Ronnie Owens Ministries, TN
  • Saint Louis County Police Department, MO
  • Salinas Pueblo Missions National Monument, NM
  • Savannah National Wildlife Refuge, SC
  • Siemens Energy & Automation, PA
  • Varsity Auto Group, MI
  • Winnebago Industries, IA
  • Zane Grey House, PA

Common Types of Applications

  • Airports for parking and construction information; for tower-pilot communications at landing/take-off observation areas.
  • Auto Dealers to speak to shoppers in their lots when sales representatives are not present.
  • Banks, Pharmacies and Restaurants to promote specials to patrons in drive-thrus.
  • Historical Sites and Societies to tell visitors about area history and interpretation of sites and buildings.
  • Churches for parking and patron information, schedules of programs and events, drive-in services. See an example of the portable package set up by a church during COVID-19.
  • Departments of Transportation at rest areas, toll collection areas and weigh stations.
  • Funeral Homes.
  • Historic Sites. See the Nez Perce National Historical Park example.
  • Hospitals & Public Health to broadcast at PODs (Points of Medicine Distribution), updates on health status, procedures and patron information.
  • Industry/Military to get critical information to visitors or truckers at loading docks, facility gates, weigh stations or check points.
  • Microbroadcasters to provide radio formats to specialized listening audiences.
  • Outdoor Advertising in association with billboards along highways and in cities. See "Billboard Use," in the far-left column.
  • Outdoor Recreation for interpretation and visitor information at parks and recreation areas. See the Upper Delaware Scenic and Recreational River example.
  • Real Estate to speak with prospective buyers about developments and properties 24 hours a day.
  • Schools to broadcast student-created programming; sports play-by-play, for emergencies and parent reunification after incidents.
  • Theaters to announce show times and to promote upcoming attractions.
  • Tourism Industry at visitor centers to broadcast information on current events and attractions.
  • US Borders and Highway Checkpoints to speak to motorists about regulations and procedures.
  • Vehicle Assembly Plants for testing of AM radio receivers on assembly lines.

    On our "Applications" page, see additional radio station equipment also used for these types of applications.
Purchasing Options
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.
Founding & Firsts All Products at a Glance Alert Stations now across America FCC Frequencies & Licenses Site Map
For Emergencies Case Studies Installation, Testing, Training
For Health Applications FAQs Professional Recordings
For Highways FCC-Permitted Broadcasts Rentals
For Visitor Information Glossary of Radio Terms Streaming
      For Other Common Applications News from The Source    
For License-Free Stations Operators' Zone
  Why Customers Say They Buy

©  1983-2020  • 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, FAS6000 Flashing Beacons & Controller, FASTrack Quick-Erect Sign, Flashing ALERT Sign System, FlexPlane Factory-Assembled Groundplane, Free-Radiate On-Premise Radio Broadcast System, HearMoreInfo Internet Broadcasts, HPR0990 High Performance Antenna, i A.M. Radio Transmitter, Information Station Specialists, InfoRadio Format, Information Station Classic, Information Station IP, InfOSpot License-Free Radio Station, IP8 Digital Message Player, IP76 Digital Message Player, ITS6000 Highway Advisory Radio Network, LIGHTNING LED Portable Changeable Message Sign, NX8R Digital Message Player, Potential Interference Notification Services (PINS), EventCAST Portable Information Radio Service, RadioSAFE Wide Area Emergency Broadcast System, RadioSTAT Portable Emergency Advisory Radio Station, Signal Measurement Radio Receiver, SpotCAST Internet Broadcast Service, Stealth Sign, StreamCAST Internet Broadcast Service, SS3000 Free-Standing AM Radio Antenna System with Tower, Stylized ISS Logo, SX200 Watt Meter, Talking House AM Radio Transmitter, TR6000 Transmitter Model HQ5.0, TR6000 Transmitter Model 15.73, VoiceStar Portable Highway Advisory Radio Station (with or without Changeable Message Sign), VP9000 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.