Rohde and Schwarz FSL18.18 Spectrum analyzer 9kHz to 18GHz (overrange 20 GHz); -135...+20dBm, RBW 300Hz - 10MHz,
Rohde and Schwarz FSL18.28 Spectrum analyzer 9kHz to 18GHz. -135dBm to +20dBm, RBW 300Hz to 10MHz, incl. tracking generator 10MHz to 18GHz
Rohde and Schwarz FSL303 Spectrum analyzer 9 kHz - 3 GHz -135 dBm to +20 dBm, RBW 300 Hz - 10 MHz TFT color display
Rohde and Schwarz FSL6.06 Spectrum analyzer 9 kHz - 6 GHz -135 dBm to +20 dBm, RBW 300 Hz - 10 MHz TFT color display