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E4408B ESA-L Basic Spectrum Analyzer, 9 kHz to 26.5 GHz

Product Status: Discontinued | Currently Supported
This product is no longer available

Key Features & Specifications


  • 1.1 dB overall amplitude accuracy
  • 100 Hz to 5 MHz RBW, 100 Hz to 300 Hz optional
  • +7.5 dBm TOI
  • 5 minute warm-up to guaranteed measurement accuracy

Measurement Applications

  • Narrow resolution bandwidth, 8590 series code compatibility, or 50 ohm tracking generator
  • PowerSuite one-button power measurements included as standard 


  • Fast delivery and favorably priced
  • Rugged design, weather resistant, snap-on battery pack
  • Large, high-resolution, color display


As the lowest cost ESA option, these basic analyzers are ideal for cost-conscious bench-top or manufacturing environments.

Replacement solutions for the ESA-L:

View more ESA Spectrum Analyzer