Spectrum Analyzer, FFT DC-102.4 kHz HP 35607A 3613A02721,

The Keysight 35670A is a versatile FFT analyzer with built in source for general spectrum and network analysis, and for octave, order, and correlation analysis.

• 102.4 kHz at 1 channel, 51.2 kHz at 2 channel, 25.6 kHz at 4 channel
• 100, 200, 400, 800 and 1600 lines of resolution
• 90 dB dynamic range, 130 dB in swept-sine mode
• 15 Measurements and 7 different source signals