Rohde & Schwarz FSIQ26 Signal Analyzer 20Hz-26.5GHz

Sale Rohde & Schwarz FSIQ26 Signal Analyzer 20Hz-26.5GHz, fresh certificate of calibration performed by an ISO 17025 accredited lab. Tested power on and pass internal diagnostics, fully operational, and ready to analyze.

$5,500
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Product Description


Sale Rohde & Schwarz FSIQ26 Signal Analyzer 20Hz-26.5GHz, excellent working condition with fresh certificate of calibration performed by an ISO 17025 accredited lab. Tested power on and pass internal diagnostics, fully operational, and ready to work of RF/microwave analysis, EMC testing, and telecom applications. Sold with 6 month warranty and 14 day money back guarantee.

This unit from Rohde & Schwarz offers one of the broadest frequency ranges (20 Hz up to 26.5 GHz) in its class, combined with vector signal analysis capabilities, making it suitable for demanding lab, R&D, production and calibration environments.

Signal Analyzer 20Hz - 26.5GHz installed options

  • B4:  Low Phase Noise
  • B5:  FFT Bandwidth 1hz - 1Khz
  • B7:  Vector Signal Analysis
  • B17 (LAN Interface)
  • B21 (External Mixer)
  • B29 (Extended Analysis Bandwidth)

Manufacturer: Rohde & Schwarz
Part Number:  FSIQ26
Serial: # 100048/027
Category: RF / Spectrum & Signal Analyzer
Frequency Range: 20 Hz – 26.5 GHz
Resolution Bandwidth: 1 Hz – 10 MHz
Displayed Average Noise Level (DANL): around −155 dBm (typical)
Dynamic Range: up to 110 dB
Applications: EMC testing, RF component analysis, signal monitoring, telecoms, radar, microwave measurement, etc.

Rohde & Schwarz FSIQ26 Signal Analyzer 20 Hz – 26.5 GHz – High-End RF / Microwave Test Instrument

When you’re seeking a premium signal analysis tool covering from 20 Hz all the way to 26.5 GHz, the Rohde & Schwarz FSIQ26 stands out. This is not just a spectrum analyzer — it’s a full-featured vector signal analyzer, suited for demanding labs, RF/microwave development, mobile communications test, EMC, radar, aerospace/defense, and beyond. In this listing, you’ll find a complete overview of this instrument’s capabilities, why it’s highly sought after, and why this unit offers value for your next test-system upgrade.

Key Specifications & Features Rohde & Schwarz FSIQ26

  • Frequency range: 20 Hz to 26.5 GHz. 
  • Resolution Bandwidth (RBW): from 1 Hz up to 10 MHz, in 1/2/3/5 steps.
  • Displayed Average Noise Level (DANL): e.g., around –150 dBm (typical) for certain bands. 
  • Integrated vector signal analysis capabilities: demodulation of many mobile/communications standards, full I/Q, magnitude/phase, constellation displays, error vector magnitude (EVM) etc. 
  • Excellent dynamic range and phase noise performance — enabling high‐precision measurements of intermodulation, harmonics, adjacent‐channel power (ACPR) etc. 
  • Versatile measurement domains: frequency domain, time domain (including gated sweeps and burst analysis), modulation domain. 

The FSIQ26 is a Smart Choice, here’s why this instrument continues to hold value, and why offering it is attractive to prospective buyers:

  1. Broad Frequency Coverage With up to 26.5 GHz coverage, this analyzer addresses test-needs in RF/microwave, telecom, satellite, radar, aerospace/defense. Many older analyzers top out at 3-8 GHz; this one goes much further.
  2. High Performance Low noise floor, good dynamic range, wide RBW range, and vector signal analysis make it useful for sophisticated measurements rather than just basic spectrum sweeps. For example: high fidelity vector demodulation, burst/TDMA gating, and high precision power measurements.
  3. Investment Value & Resale Potential Lab equipment like this retains value: there is ongoing demand in R&D, production test, calibration labs, used/refurbished equipment markets. You can highlight this in your listing (“Excellent opportunity to acquire high-end analyzer at used equipment savings”).
  4. Brand & Quality Rohde & Schwarz is a highly-regarded manufacturer in the test and measurement world, known for build quality, precision, long service life. Buyers recognise the brand, which helps trust