Spectrum Monitor Module: MS27100A

Source: Anritsu Company

Spectrum Monitor Module: MS27100A

The MS27100A is designed to facilitate the identification and removal of illegal or unlicensed interference signals. Problem signals can be identified as they occur in real time by monitoring a spectrum continuously. Unwanted signal activity and their patterns can also be observed, which provides an efficient way to characterize and locate the source of the interference problem.

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The MS27100A is also used to characterize spectrum occupancy. Government regulators and operators are often interested in determining the usage rate for various frequency bands. Monitoring these frequencies provides the information needed to optimize spectrum for maximum utilization. The spectrum can be re-purposed for other applications, or multiplexed with other signals using cognitive radio techniques.

Spectrum monitoring can assist in the enforcement of compliance with government regulations and is used by police, fire fighters, air traffic control, military, and emergency services who must all have access to communications free of impediments and distortion.

The MS27100A is ideally suited for placement in racks where space is at a premium with its small form factor. The MS27100A also supports an IF output (140 MHz) which can be used for further processing by the user.

Features include:

  • 9 kHz to 6 GHz
  • Sweep speed up to 24 GHz/s
  • Integrated web server to view, control and conduct measurements via web browser
  • Watchdog timer to insure long-term stability for remotely deployed monitors
  • Low spur levels for accurate signal discovery
  • 20 MHz instantaneous FFT bandwidth


  • Detection of illegal or unlicensed AM/FM/Cellular broadcasts
  • Sensitive site monitoring (national borders, military facilities, nuclear power plants…)
  • Airport monitoring (with communication frequencies often adjacent to FM bands)
  • Monitor jails/prisons for illegal broadcasts
  • Positive Train Control (PTC), ensure clear communication channels for trains
  • Cable TV, to mitigate leakage to outside environment and leakage into cable system
  • Government regulators enforcing spectrum policies

For more information on this spectrum monitoring module, download the datasheet.

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