The Agilent 5340A Frequency Counter is an easily used, versatile instrument for direct measurement of frequencies from 10 Hz to 18 GHz via a single input connector.
The exceptional sensitivity of this instrument enhances measurement in the microwave field, where signals are commonly low-level and connected via directional coupler or lossy devices

• Single input 10 Hz to 18 GHz
  
• Automatic amplitude discrimination
  
• High sensitivity -35 dBm
  
• Optional extension to 23 GHz
  
• High AM and FM tolerance
  
• Exceptional reliability
  
• Number of Channels 2 ch
  
• Minimum Frequency, Ch.
  1 10 Hz
  
• Maximum Frequency, Ch.
  1 18 GHz
  
• Input Impedance, Ch.1 50 Ohm
  
• Input Coupling, Ch 1 AC,DC
  
• Minimum Frequency, Ch.
  2 10 Hz
  
• Maximum Frequency, Ch.
  2 250 MHz
  
• Input Impedance, Ch.
  2 1 MOhm
  
• Input Coupling, Ch 2 AC
  
• Time base stability .0000003 /mo
  
• Measurement Throughput 0.05 s
  
• External Time base reference 10 MHz
  
• Sensitivity:  -30 dBm from 10 Hz to 500 MHz; -35 dBm from 500 MHz to 16 GHz; -25dBm from 10 to 18 GHz