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MS27103A Remote Spectrum Monitor

MS27103A Remote Spectrum Monitor

Cellular network operators have invested billions of dollars in purchasing rights to use frequency spectrum around the world. This spectrum is necessary to deliver the high data bandwidth demanded by smartphone users to view emails, web pages and stream audio and video while mobile. In order to maintain a high level of network performance, operators need to continually monitor their spectrum to identify and locate sources of interference. Interference can come from illegal transmitters and from unintended sources such as intermodulation products. All will reduce the networks data capacity, which results in a reduced user experience. Operators can act quickly to protect their investment and maintain data capacity.

MS27103A Remote Spectrum Monitor


  • 9 kHz to 6 GHz
  • Sweep speed up to 24 GHz/s
  • Integrated web server to view, control and conduct measurements via a web browser (both Chrome and FireFox supported)
  • Remote firmware update capable
  • Watchdog timer to insure long-term stability for remotely deployed monitors
  • Linux operating system
  • Low spurious signals for accurate signal discovery
  • 20 MHz instantaneous FFT bandwidth
  • Low power consumption < 11 watts (input voltage 11 to 24 VDC)
  • Integrated GPS receiver for monitoring location and time synchronization applications
  • Gigabit Ethernet available for high speed transmissions
  • Interference analysis: spectrogram and signal strength
  • Dynamic range: > 106 dB normalized to 1 Hz BW
  • DANL: < -150 dBm referenced to 1 Hz RBW, preamp on
  • Phase noise: -99 dBc/Hz @ 10 kHz offset at 1 GHz
  • IQ block mode and streaming with time stamping for TDOA applications
  • Vision software optional for automated spectrum measurements, setting alarms and geo-locating signal sources


    • Cellular operators monitoring their spectrum at BTS
    • White space monitoring (need for multiple antennas to cover wide frequency range)
    • Miscellaneous applications requiring multiple directional antennas