The Advantest R3265M is a swept-tuned spectrum analyzer with an analog-to-digital section for displaying and analyzing data. The R3265M is equipped with GPIB remote control and a memory card function for saving and recalling waveform data and panel settings. The R3265m is a quasi-microwave spectrum analyzer designed to meet the user needs and to ensure easy operation. It incorporates a time domain function so it can be used for both digital and analog mobile communications. The unit performs especially well in measuring the spurious emission intensity of mobile communication equipment, the bandwidth of occupied frequencies and signal leakage from adjacent channels.