The R&S FSH is a handy, robust and portable spectrum analyzer for rapid and cost-effective signal investigations.

The R&S FSH is the ideal spectrum analyzer for rapid, high-precision, cost-effective signal investigations. It provides a large number of measurement functions and so can handle anything from the installation or maintenance of a mobile radio base station, through on-site fault location in RF cables to development and service - an extensive range of applications.

• A large number of measurement functions enable the R&S FSH to handle anything from installation or maintenance of mobile radio base stations, through on-site fault location in RF cables to simple lab applications
• Function keys and a simple menu structure make the R&S FSH easy to use
• Best RF characteristics and high measurement accuracy in this class of spectrum analyzers
• up to 4 hours of continuous operation on battery power
• Rapid and easy data transfer to PC
• Excellent price/performance ratio

• Frequency ranges up to 3 GHz and 6 GHz 
• Easy operation, low weight and sturdy design for field use
• Channel power measurements, burst power measurements in time domain
• RMS detector
• Quasi-peak detector
• AM/FM audio demodulator
• Tracking generator
• Distance-to-fault (DTF) measurements on cables
• VSWR measurements and Smith chart of reflection
• S11 and S21 phase measurement
• Group delay measurement
• Receiver mode
• Power sensors up to 18 GHz
• Directional power sensor up to 4 GHz
• Test system for EMF measurements (¸TS-EMF)
• Code domain power measurements on 3GPP base stations

Model	Frequency Range	Tracking generator	Tracking generator output power	Preamplifier	Resolution Bandwidth
R&S FSH3 Model 03	100 kHz to 3 GHz	-	-	x	100 Hz to 1 MHz
R&S FSH3 Model 13	100 kHz to 3 GHz	x	-20 dBm	-	1 kHz to 1 MHz
R&S FSH3 Model 23	100 kHz to 3 GHz	x	-20 dBm/0dBm	x	100 Hz to 1 MHz
R&S FSH6 Model 06	100 kHz to 6 GHz	-	-	x	100 Hz to 1 MHz
R&S FSH6 Model 26	100 kHz to 6 GHz	x	-10 dBm(f<3Ghz) -20 dBm(f>3Ghz)	x	100 Hz to 1 MHz