Inovonics 300 Original price was: €775.Current price is: €730.
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Inovonics 637 Original price was: €1,055.Current price is: €995.

Inovonics 638

Web-enabled FM and HD Radio™ receiver

Original price was: €1,125.Current price is: €1,065.


The Inovonics 638 HD Radio™ SiteStreamer™ is a sophisticated tool designed for remote signal monitoring in FM and HD Radio™ broadcasting environments. Below are its features and specifications:


  1. Off-Air Signal Monitoring:
    • Monitors off-air analog-FM or HD Radio™ signals (HD1 – HD8) from any remote location with Internet access.
  2. BandScanner™:
    • Provides a spectrum plot of all or part of the FM band for detailed analysis.
  3. Station Rotation™:
    • Allows monitoring of multiple stations sequentially through round-robin sequencing of up to 30 stations, each with its specific alarm parameters.
  4. AES Digital AUX Input:
    • Monitors hardwired audio program feeds with A/B switching between source and air.
  5. Dynamic Browser Support:
    • Full dynamic browser support of all operating features, including audio streaming through the dynamic Web Interface.
  6. Instant Error Messages:
    • Sends instant error messages via email or SMS text for various alarm conditions including signal loss, audio loss, pilot loss, HD loss, and RDS errors.
  7. Audio Level Display:
    • Accurate front-panel and Web Interface program audio level display for precise monitoring.
  8. Easy Setup and Operation:
    • Designed for easy setup and operation with full SNMP support.
  9. Headphone Jack:
    • Includes a front-panel headphone jack for local monitoring.


  • Tuning Range: 87.5MHz to 107.9MHz in 100kHz steps.
  • Antenna Input: 75-ohm ‘F’ connector.
  • Receiver Sensitivity: ≤10μV for 50dB monaural FM Signal-to-Noise Ratio (SNR).
  • Audio Response:
    • FM: ±1dB, 30Hz to 15kHz; with 75μs/50μs de-emphasis.
    • HD Radio™: ±0.25dB, 20Hz to 20kHz.
  • Program Line Input: AES3 (XLR) digital AUX input; menu-selectable scaling for ‘0-VU’ reference at digital signal levels of 0dBFS, –18dBFS, –20dBFS, –24dBFS.
  • Headphone Jack: Front-panel (TRS) 3.5mm.
  • Network Connection: LAN (RJ45) jack accepts universal TCP/IP connection to Local Area Network (LAN) and via router to the Internet.
  • Alarms: Low Signal, Audio Loss, Pilot Loss, HD Loss, RDS Loss, or PI Mismatch.
  • Power Requirement: 12VDC at 115mA (2.1mm x 5.5mm coaxial); includes inline switch-mode power supply.
  • Mounting Options: Optional rack adapter for mounting one, two, or three INOmini format units in a standard 19-inch, 1U rack space.
  • Size and Weight: 1.6”H x 5.5”W x 5.5”D; Shipping weight of 4 lbs.
  • Environmental Conditions: Suitable for continuous operation at ambient temperatures between 32ºF/0ºC and 122ºF/50ºC; 0-95% relative humidity, non-condensing, altitudes up to 10,000ft/3,048m.

The Inovonics 638 HD Radio™ SiteStreamer™ offers comprehensive remote signal monitoring capabilities with advanced features and precise measurements, making it an essential tool for FM and HD Radio™ broadcasting professionals.