Model	Min. Freq.	Max. Freq.	Noise Figure Measurement Range	Gain Measurement Range
N8974A	10.00 MHz	6.70 GHz	0 to 35 dB	-20 to + 40 dB
E4445A	200.00 kHz	123.20 GHz	0 to 35 dB	-20 to + 40 dB
N8975A	10.00 MHz	26.50 GHz	0 to 35 dB	-20 to + 40 dB
N8973A	10.00 MHz	3.00 GHz	0 to 35 dB	-20 to + 40 dB
N8972A	10.00 MHz	1.50 GHz	0 to 35 dB	-20 to + 40 dB
E4440A	200.00 kHz	26.50 GHz	0 to 35 dB	-20 to + 40 dB
E4407B-COM	10.00 kHz	26.50 GHz	0 to 35 dB	-20 to + 40 dB
E4405B-COM	10.00 kHz	13.20 GHz	0 to 35 dB	-20 to + 40 dB
E4404B-COM	10.00 kHz	6.70 GHz	0 to 35 dB	-20 to + 40 dB
E4402B-COM	10.00 kHz	3.00 GHz	0 to 35 dB	-20 to + 40 dB
E4443A	200.00 kHz	6.70 GHz	0 to 35 dB	-20 to + 40 dB