Rohde & Schwarz FSH8 100KHz – 8GHz Spectrum Analyzer

The Rohde & Schwarz FSH8 is a handheld spectrum analyzer built for field deployment across 100 kHz to 8 GHz. Engineers use it for signal monitoring, interference hunting, cable and antenna testing, and network diagnostics. Its rugged, splash-proof construction supports extended battery operation while delivering laboratory-grade measurement accuracy in portable form.

Technical Specifications

Frequency Coverage: 100 kHz to 8 GHz Measurement Performance

• Sensitivity (DANL): Up to −161 dBm with preamplifier


• Noise floor: −161 dBm/Hz typical with preamplifier


• Amplitude accuracy: Less than 0.5 dB


• Measurement uncertainty: Less than 1 dB


• Phase noise: Less than −127 dBc/Hz


• Resolution bandwidth: 1 Hz to 3 MHz Power & Battery


• Li-ion battery pack, user replaceable


• Runtime: Up to 4.5 hours


• AC power supply included Physical


• Weight: Approximately 3 kg with battery


• Display: 6.5" or 7" color LCD, antiglare, touch-capable


• Rugged, splash-proof housing Connectivity


• USB, LAN, SD card slot

Key Features

• Spectrum analysis with channel power and occupied bandwidth measurement


• Power meter functionality with optional external power sensors (up to 18 GHz)


• Optional internal tracking generator with DC bias supply


• Optional internal VSWR bridge for antenna and cable testing


• Distance-to-fault measurements via optional VSWR bridge


• Directional power measurement up to 4 GHz with optional directional power sensors


• Signal monitoring and interference analysis (optional)


• Geotagging capability (optional)

Optional Measurement Applications

• Two-port vector network analysis


• GSM/EDGE measurements


• Spectrogram analysis


• 3GPP WCDMA base station signal demodulation

Compatibility & Integration Accepts optional power sensors (R&S FSH-Z1, R&S FSH-Z18), directional power sensors (R&S FSH-Z14, R&S FSH-Z44), and software modules for expanded measurement domains. Results save to SD card or transfer via USB/LAN.