Real-time remote spectrum analyser for radio monitoring

April 04, 2019 //By Jean-Pierre Joosting
Real-time remote spectrum analyser for radio monitoring
Link Microtek has recently introduced a remote-controlled version of the SignalShark real-time spectrum analyser from Narda Safety Test Solutions, which provides a powerful and versatile means of carrying out radio monitoring for organisations such as regulatory authorities, mobile phone network operators, police and security services, intelligence agencies and the armed forces.

Covering the frequency range 8 kHz to 8 GHz, the SignalShark 3320 Remote Unit is capable of detecting, analysing and classifying a wide range of signals, as well as locating the source of transmissions using either automatic direction finding or TDOA (time difference of arrival) techniques.

The instrument uses advanced FFT computations to achieve a 40 MHz real-time instantaneous bandwidth with a 100% probability of intercept (POI) for signals longer than 3.125 µs, which means that there are no gaps in the frequency span and every signal event can be detected reliably, even if it is extremely brief and transient. The instrument is also able to capture the spectrum over the full frequency span of 8 kHz to 8 GHz in a single measurement at the impressively fast scan rate of 50 GHz/s.

Featuring an integrated computer running Windows 10, the 3320 provides a very flexible GUI with four task modes to support a wide variety of measurement applications, namely scan mode, real-time spectrum mode, auto DF mode and real-time streaming mode. Measurements are visualised by means of different views. For example, the user can choose to display the frequency domain and channel level at the same time by selecting a spectrum view and a level meter view.

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