For example: Agilent E4440A or Anritsu 68369
Rohde and Schwarz Spectrum Analyzers
Rohde and Schwarz FSH404
Spectrum Analyzer 9 kHz - 3.6 GHz with Preamplifier
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH414
HH Spectrum Analyzer 9 kHz - 3.6 GHz with Preamplifier, Tracking Generator
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH424
300kHz - 3.6 GHz with Preamp, Tracking Generator
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH6-N
Rohde & Schwarz FSH6-N Handheld Spectrum Analyzer w/ Preamp & Option K1, 6 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH6-NTG
Rohde & Schwarz FSH6-NTG Spectrum Analyzer w/ Preamp & Tracking Gen, Cald!
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH606
Spectrum Analyzer, Hand Held, 100 KHz to 6 GHz w/ preamp.
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH626
Spectrum Analyzer, Hand Held, 100 KHz to 6 GHz w/ Preamp + Int. Track Gen.
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH626-K2-Z25
100kHz - 6GHz Spectrum Analyzer Handheld
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH626-K3
100kHz - 6GHz Spectrum Analyzer Handheld
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH626-Z25
100kHz - 6GHz Spectrum Analyzer Handheld
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH808
HH Spectrum Analyzer 9 kHz - 8 GHz with Preamp
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH818
HH Spectrum Analyzer 9 kHz - 8 GHz with Preamp, Tracking Generator
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSH828
HH Spectrum Analyzer 300 kHz - 8 GHz with Preamp,Tracking Generator, VSWR bridge
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSL18.18
Spectrum analyzer 9kHz to 18GHz (overrange 20 GHz); -135...+20dBm, RBW 300Hz - 10MHz,
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSL18.28
Spectrum analyzer 9kHz to 18GHz. -135dBm to +20dBm, RBW 300Hz to 10MHz, incl. tracking generator 10MHz to 18GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSL303
Spectrum analyzer 9 kHz - 3 GHz -135 dBm to +20 dBm, RBW 300 Hz - 10 MHz TFT color display
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSL6.06
Spectrum analyzer 9 kHz - 6 GHz -135 dBm to +20 dBm, RBW 300 Hz - 10 MHz TFT color display
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSP7
Rohde & Schwarz FSP 7 Spectrum Analyzer, 9 kHz to 7 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSQ26
RF Spectrum Analyzer and Signal Analzer 20Hz to 26.5 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSQ3
RF Spectrum Analyzer and Signal Analzer 20Hz to 3.6 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSQ40
RF Spectrum Analyzer and Signal Analzer 20Hz to 40 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSQ8
RF Spectrum Analyzer and Signal Analyzer 20 Hz - 8 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSUP26
Rohde & Schwarz FSUP26 Signal Source Analyzer
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSV13
Spectrum and Signal Analyzer, 9 KHz to 13.6 GHz (20 Hz Optional)
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSV3
Spectrum and Signal Analyzer, 9 KHz to 3.6 GHz (20 Hz Optional)
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSV30
Spectrum and Signal Analyzer, 9 KHz to 30 GHz (20 Hz Optional)
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSV40
Spectrum and Signal Analyzer, 9 KHz to 40 GHz (20 Hz Optional)
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSV7
Spectrum and Signal Analyzer, 9 KHz to 7 GHz (20 Hz Optional)
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSW13
Signal and Spectrum Analyzer, 2 Hz to 13.6 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSW26
Signal and Spectrum Analyzer, 2 Hz to 26.5 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSW43
Signal and Spectrum Analyzer, 2 Hz to 43.5 GHz
Manufacturer: Rohde and Schwarz
Rohde and Schwarz FSW50
Signal and Spectrum Analyzer, 2 Hz to 50 GHz
Manufacturer: Rohde and Schwarz