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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MGR.21 Digital Audio Management System  
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The MGR.021 Digital Audio Management System is a state-of-the-art device designed to provide a continuous, high-quality analog audio stream for broadcast applications.

Messages are stored in MP3 format on any standard USB flash drive with no special software or drivers needed. The audio files on the drive automatically download and play continuously in the order they were loaded, with no special programming or instructions required. A built-in monitor speaker is included for convenience. Manufactured in the United States.
Specifications
  • 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: 2 GB / 34.7 hours @ 128kbps.
  • 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".
 
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PO Box 51, Zeeland, Michigan, USA, 49464-0051, Phone 616.772.2300, Email Us
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Information Radio Station is a generic term synonymous with Travelers Information Station (TIS), Highway Advisory Radio (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, wattmeter, 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.