Rohde & Schwarz
Rohde & Schwarz FSH4
9 kHz to 3.6 GHz Spectrum Analyser (Signal Analyser)
100 kHz to 3.6 GHz Frequency Range
6.5-inch color TFT LCD, 640 x 480 pixels (VGA) Display
Up to 100 dB Dynamic Range
100 Hz to 3 MHz Resolution Bandwidth (RBW)
-95 dBc/Hz at 10 kHz offset (at 1 GHz) Phase Noise

| Attribute | Value |
|---|---|
| Frequency Range | 100 kHz to 3.6 GHz |
| Display | 6.5-inch color TFT LCD, 640 x 480 pixels (VGA) |
| Dynamic Range | Up to 100 dB |
| Resolution Bandwidth (RBW) | 100 Hz to 3 MHz |
| Phase Noise | -95 dBc/Hz at 10 kHz offset (at 1 GHz) |
| DANL (Displayed Average Noise Level) | -144 dBm (typ.) at 1 GHz, 10 Hz RBW |
| Battery Operating Time | Up to 3 hours with standard battery pack |
| Weight | Approximately 3.3 kg (7.3 lbs) including battery |
| Input Impedance | 50 Ohm |
| Operating Temperature Range | -10°C to +55°C (14°F to 131°F) |
Rohde & Schwarz FSH4 Options:
- FSH3 - .03 - Handheld Spectrum Analyzer, 100 kHz to 3 GHz, with preamplifier
- FSH3 - .13 - Handheld Spectrum Analyzer, 100 kHz to 3 GHz, with tracking generator
- FSH3 - .23 - Handheld Spectrum Analyzer, 100 kHz to 3 GHz, with tracking generator and preamplifier
- FSH6 - .06 - Handheld Spectrum Analyzer, 100 kHz to 6 GHz, with preamplifier
- FSH6 - .26 - Handheld Spectrum Analyzer, 100 kHz to 6 GHz, with tracking generator and preamplifier
- FSH18 - .18 - Handheld Spectrum Analyzer, 10 MHz to 18 GHz
- FSH - B1 - Distance-to-Fault Measurement (includes 1 m cable, R&S FSH-Z2 required)
- FSH - K1 - Remote Control via RS-232-C
- FSH - K2 - Vector Transmission and Reflection Measurements
- FSH - K3 - Receiver Mode
- FSH - K4 - 3GPP FDD Code Domain Power BTS/Node B Measurement (for R&S FSH3 model .23 only, as of serial no. 103500)
| Model | FSH4 |
|---|
The Rohde and Schwarz FSH4 Spectrum Analyzer operates within a frequency range of 9 kHz to 3.6 GHz, offering high-resolution analysis for RF and microwave signals. Its compact design supports both field and laboratory use.
Engineered for performance and portability, this analyzer is ideal for maintenance, installation, and service tasks, delivering reliable data across diverse testing environments.
Testwall can supply the used Rohde and Schwarz FSH4, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Rohde and Schwarz FSH4.





