Spectrum Analyzer, 100Hz-26.5GHz 100 Hz to 26.5 GHz using YIG-tuned preselector. Excellent alternative to HP 8563E or HP 8595E. Resolution bandwidths from 10 Hz to 3 MHz with dynamic range down to -140 dBm. Extensive EMC measurement functions. Fast 5 ?s/div digitzed sweep and gated sweep function allows for analysis of TDMA and other burst signals. Built-in frequency counter with 1 Hz resolution. Demodulated audio output with speaker. Direct plot to HPGL plotters. External memory card saves settings. GPIB.