Model	Min. Freq.	Max. Freq.	Freq. Resolution [Digits]	Measurements
5384A	10 Hz	225.0 MHz	11	Frequency
5347A	10 Hz	20.0 GHz	11	Frequency, Power
5345A	?	500.0 MHz	11	Frequency, Period, Totalization, Ratio, Time interval
5348A	10 Hz	26.5 GHz	?	Frequency, Power
5350B	10 Hz	20.0 GHz	?	?
5351B	10 Hz	26.5 GHz	?	?
5352B	10 Hz	40.0 GHz	11	?
5386A	10 Hz	3.0 GHz	9	Frequency
5370B	100 mHz	100.0 MHz	11	Time interval, Frequency, Period
5335A	0	200.0 MHz	12	Frequency, Period, Time interval, Ratio, Totalization, Pulse width, Rise/Fall Time, Duty cycle, Slew rate, Relative phase, Inverse time interval
5385A	10 Hz	225.0 MHz	11	Frequency
70120A	1 mHz	2.4 GHz	?	?
5361B	10 Hz	40.0 GHz	11	Pulse frequency, CW frequency
5334B	?	100.0 MHz	9	Rise/Fall Time, Pulse width, AC/DC voltage, Frequency, Period
53181A	30 Hz	225.0 MHz	10	Frequency
5316B	?	100.0 MHz	7	Frequency, Period, Time interval, Ratio, Totalization
5315A	?	100.0 MHz	?	Frequency, Period, Ratio A/B, Totalization
53152A	50 MHz	46.0 GHz	11	Frequency, Power
53151A	50 MHz	26.5 GHz	11	Frequency, Power
5314A	?	100.0 MHz	?	Frequency, Period, Time interval, Ratio, Totalization
53149A	50 MHz	46.0 GHz	?	Microwave, Power
53148A	50 MHz	26.5 GHz	?	Microwave, Power
53147A	50 MHz	20.0 GHz	?	Microwave, Power
53150A	50 MHz	20.0 GHz	11	Frequency, Power
53131A	30 Hz	225.0 MHz	10	Frequency, Frequency ratio, Time interval, Rise/Fall Time, Phase, Duty cycle, Pulse width, Totalization, Peak voltage, Time interval average, Time interval delay
53132A	30 Hz	225.0 MHz	12	Frequency, Frequency ratio, Time interval, Pulse
E1333A	10 Hz	1.0 GHz	?	Frequency, Period, Pulse width, Time interval, Totalization, Ratio
E1420B	1 mHz	200.0 MHz	9	Frequency, Period, Time interval, Totalization, Ratio, Rise/Fall Time, Pulse width, Phase, AC/DC voltage