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.
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Information Station Technical Specifications*
IP and USB Editions
Our Electronic Enclosures Allow Rear & Front Access
Our security enclosures open from the front or back, making it easy to add, service or replace electronics.
Related Links

Information Station Home Page

Glossary of Information Radio Terminology

Planning Page

Requires FCC license granted to local government or health agency (FCC Rules Part 90.242) or by NTIA (National Telecommunications and Information Administration) for federal government agency, or by US Military.
Transmitter (TR.6000 HQ 5.0)
  • FCC certified (Part 90.242) for Travelers' Information (TIS) radio applications (Certification B7MTR-6000TIS-WB).
  • Manufactured in the USA.
  • 0-10 watt operation, Class D, duel output devices.
  • Approved for military and federal agencies use on 510-530 kHz, 1610-1710 kHz - Certification J/F 12/07677.
  • Synthesized frequency selection.
  • Frequency stability +/-20 Hz.
  • Frequency range: 530 to 1710 kHz AM.
  • 5000 Hz audio bandwidth with limiting.
  • Power and audio control relays.
  • Internal monitor speaker with volume control.
  • 24V DC; power consumption 36 watts.
  • 19” rack mount, 1 RU.

AM Radio Antenna (ANXX)

See TechTalk article "Radio Antenna Siting."

  • Frequency range: 530-1710 kHz.
  • Center-loaded, vertical, whip.
  • Vertically polarized.
  • Omni directional (0-360).
  • Anodized aluminum finish.
  • Adjustable tip for precise tuning.
  • Power: up 100 Watts Carrier (1700 kHz) with 100% modulation. Less at lower frequencies and for modulation types that exceed 100% positive.
  • Radiation efficiency: 24 mV/m/km; Ref 1KW: (530 kHz) to 110 mV/m/km (1700 kHz). 30' tip height above ground on a 20’ metal support pole or tower with 25’ 32-element groundplane.
  • Bandwidth (3:1 SWR): 530 kHz: 5 kHz; 1710 kHz: 10.4 kHz.
  • Temperature endurance: -40°C. to 85°C.
  • Wind endurance: 80 miles per hour with ¼” of ice.
  • Overall assembled length: varies with frequency, i.e., 297” for 530 kHz, 129” for 1700 kHz.
  • Split-type mounts with stainless-steel hardware kit; masts, stands; lightning arrestors; enclosures.
  • RF exposure separation: 1-meter minimum recommended.
PowerPlane Preassembled Groundplane

See TechTalk article "Underground Power: Why Antenna Grounding Is Important, How It Works and Is Installed."
  •  Radial elements: 32.
  • Element lengths: 10'.
  • Radial wires: 14 AWG, stranded copper (19 - 27AWG strands per wire), insulated (black).
  • Pigtail: 4 AWG; high flexibility stranded copper, (374 – 30 AWG strands), 5' length, insulated (black) with bare, soldered termination.
  • Deployment factory assembled. May be surface-deployed or buried.
Digital Audio Management Systems

See "Compare Audio Control Methods."

    USB Edition: MGR.021 Audio Management System

  • Playback: MPEG (.mp3).
  •  Frequency Response: 20Hz to 20KHz.
  • Bit/Sample Rate: up to 128Kbps/48KHz.
  • Loading Type: USB flash drive.
  • Memory Type: flash.
  • Indicators: LED Status.
  • Controls: Speaker on/off; Output volume.
  • Memory Capacity: 34.7 hours @ 128 kbps.
  • Message Capacity: up to 1024. Message Playback: continuous
  • Power: AC Power Adapter to12VDC @ 500mA.
  • Audio Output: 8Ω or 600Ω RCA.
  • Size (H x W x D): 6.00" x 6.00" x 1.50".

    IP Edition: TMS.020 Audio Management System

  • Browser-based (LAN/WAN) or local control program control.
  • Local message selection via front panel control.
  • File format: MP3, WAV, FLAAC, OGG; (64-128 kbps recommended).
  • network (RJ-45 Port).
  • Memory format: nonvolatile - no battery backup required.
  • Currently playing message displayed on front panel LCD.
  • Message loading via network upload or removable SD card.
  • Memory storage size 32GB minimum.
  • Message lengths: variable. Message playlists may be created and stored.
  • Message order: continuous sequential message play-out based on user-determined order.
  • Messages and playlists may also be triggered by HTML CGI commands.
  • Audio inputs and outputs: 600 ohms; RCA jacks; unbalanced.
  • Power: 120VAC/12VDC (2 watts); 150 ma @ 12VDC.
  • 19” rack mount format; 1 RU. Dimensions: 19” W X 1.75” H X 10” D.
Audio Recording Software
  • Adobe Audition
Indoor Security Enclosure
  • Durable black, textured power-coat finish.
  • Dimensions: 28.0" H x 22.5" W x 18.0" D.
  • Interior space for rack-mounted components: 21.0" H 15.0" D.
  • 200-pound equipment weight capacity.
  • Rack-mount equipment mounting format – 12 rack spaces.
  • 16-gauge steel construction with 1/8" thick laser-cut corner braces.
  • Toolfree quick-mount system for easy, one-person installation of the center section to the back pan on the job site.
  • Windowed front door provides access for control of electronics, key lockable.
  • Secondary service access door provides access to rear of electronic components and wiring. Service access door is key lock and padlock-able.
  • Seismic certified.
  • EIA/TIA compliant.
  • UL listed in the US and Canada.
Associated Materials
  • Illustrated instruction manual.
  • All wiring, connectors, mounts and hardware.
  • Test equipment: wattmeter and dummy load for antenna tuning and system diagnosis.
Commonly Selected Options
Headphones and Microphone for Recording or Live Broadcasting

  • Style: dynamic, handheld .
  • Frequency response: 50-15,000 Hz.
  • Pickup pattern: cardiod.
  • Output connectors: mic = USB and XLR; headphones = 3.5 mm jack.
  • Inclusions: desk stand, audio output cables.
  • Switch: on/off slide switch.


  • Frequency response: 18-22,000 Hz.
  • Design: closed back, foldable.
  • Earcups: padded.
  • Output cable: 3 meters; ¼” stereo connector with 1/8” adapter.

Signal Measurement Receiver  -  See "How SMR Works."

  • AM Receive Band: 520-1710 kHz; 10 kHz per channel.
  • Signal Intensity Display: 2-digit 15-99 (dbu).
  •  Tuning: Digital 10 khz LCD readout, lighted; auto/manual tuning; auto tuning storage.
  • Power: 3- AA batteries (included), 6 VDC input jack.
  • Audio Output: speaker, 3.5 mm headphone jack.
  • Dimensions: 5.3” X 3.4” X 1.0”.
  • Weight: 7.1 oz.
  • Instructions: manufacturer; ISS guidance sheets for the use of SMR Receiver for AM noise and signal monitoring.
Required Utilities
  • 110-volt AC, single-phase/50/60 Hz, less than 1 amp AC operating current (20-amp breaker).
  • IP Edition only:  LAN/WAN network service.
Commonly Selected Services
Frequency Search/FCC Licensing
Electronics Installation
Onsite Training and FCC-Required Signal Study
Remote Technical Support for the Life of the Product
InfoRadio Format Recordings
  *These specifications are subject to change without notice.
Contact Us All Products at a Glance FAQs All Services Site Index
Corporate Overview For Emergencies FCC-Permitted Broadcasts Customer Support Policy Site Map
Customer Support Policy For Health Applications Glossary of Radio Terms FCC Frequencies & Licenses
Founding & Firsts For Highways News from The Source Installation, Testing, Training
Privacy Policy For Visitor Information Operators' Zone Professional Recordings
  For Other Common Applications Planning Guide Purchase Options  
For License-Free Stations State-by-State List of Stations Rentals
  Why Customers Say They Buy Streaming

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PO Box 51, Zeeland, Michigan, USA, 49464-0051, Phone 616.772.2300, Fax 616.772.2966, Email Form

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