Agilent/HP / Universal Counter / 53132A/030 
[Frequency]
Channel 1 and 2 Range: 1 Hz ~ 225 MHz  
Channel 3 Range: Option 030 100 MHz to 3 GHz
                 Option 050 200 MHz to 5 GHz
                 Option 124 200 MHz to 12.4 GHz 

[Period]
Channel 1 and 2 Range 4.44 ns to 10 s
Channel 3 Range: Option 030 0.33 ns to 10 ns
                 Option 050 0.2 ns to 5 ns
                 Option 124 80 ps to 5 ns

[Pulse Width] 
Trigger Default setting is Auto Triggerat 50%
Results Range 5 ns to 105 s
LSD 150 ps 

[Peak Volts] 
Results Range -5.1 V to +5.1 V
Resolution 10 mV