Featured Product: Keysight (Agilent) Technologies	E4404B ESA-E Spectrum Analyzer

This month we are featuring the Keysight (Agilent) Technologies E4404B ESA-E Spectrum Analyzer. Free Shipping is included when purchased online.

The Keysight E4404B ESA-E is a general-purpose spectrum analyzer which can be used for a wide range of applications, from aerospace and defense to the manufacturing line.


Key Features and Specifications


  • 10 MHz analysis bandwidth
  • Segmented sweep for up to 32 discontinuous spans in one sweep
  • Rugged and portable for lab grade performance in the field
  • 5 minute warm-up to guaranteed measurement accuracy



  • 0.4 dB overall amplitude accuracy
  • +16 dBm TOI
  • -167 dBm DANL, with internal preamp
  • 1 Hz narrow resolution bandwidth (optional)

Measurement Applications

  • Phase Noise
  • Noise Figure
  • cdmaOne and more

This is just one of our May Specials - see the entire list here. Remember, prices are these are lab certified, refurbished products at sale prices 10% - 30% below competitors' prices.