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Manufacturer:Tektronix Model#492 Spectrum Analyzer Portable (50kHz to 21 GHz) Details Frequency Range: 50kHz to 21GHz (to 220GHz with optional waveguide mixers, sold separately). Amplitude comparison in 0.25 dB steps. Dynamic range of 80 dB Resolution bandwidth of 1MHz to 1kHz in decade steps, plus an auto position. Resolution is within 20% of selected bandwidth. |