The new options for the Anritsu MS2721A Spectrum Master handheld spectrum analyser have been developed to provide users with the detailed spectrum analysis capabilities they need to analyse complex signal environments. The new options are interference analysis, which provides three significant capabilities, and a channel scanner that lets the MS2721A display the frequency and power for up to 20 channels simultaneously. High-quality signal transmission and receipt are ensured by the interference analysis option. Users can view a spectrogram of the desired portion of the spectrum to see changes in the spectrum over time. It also features a received signal strength indicator (RSSI) that displays the amplitude over time at a single frequency. A signal strength meter with audio output is also included in the interference analysis option. The frequency of the audio output varies as the received signal strength varies. When this is used with a directional antenna, users can easily determine the direction of an incoming signal, making it much easier to locate the source of interference. The channel scanner allows many signals to be seen simultaneously. Users can select an air interference standard to apply to all displayed channels. In addition, the user can choose to customise each channel to display completely different signal types. This allows users to measure simultaneously as many as 20 channels, such as a TV channel's video signal, TV channel's audio carrier, CDMA channel 50, GSM channel 1000, police repeaters, and ham repeaters. If measurements need to be made in a dense RF environment with many emitters, users can save several setups with different selections for each of the 20 channels to cover all potential emitters of interest.
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