HP 8593E spectrum analyzer 3 GHz 041 101 105 Spectrum analyzer Hewlett Packard 8594E Frequency range 9 kHz .. 2.9 GHz Resolution bandwidth 1 kHz .. 3 MHz Has options 041 HPIB, par printer 101 Fast ADC 105 Time Gate Firmware Spectrum analyzer GSM telecom Has splitscreen, FFT demodulation Hewlett Packard Agilent Keysight