The Agilent (HP) 8561E Spectrum Analyzer offers the measurement capabilities and performance traditionally found only in larger, more expensive bench top analyzers. The Agilent (Hewlett Packard) 8561E combines outstanding phase noise, sensitivity, 1 Hz resolution bandwidths, and wide dynamic range in a MIL-rugged package built to withstand harsh environmental conditions. 

Other features and specifications of the HP 8561E Spectrum Analyzer include:

• Frequency Range: 30 Hz - 6.5 GHz
• RBW is 1 Hz to 1 MHz
• Dynamic Range is -145dbm/H - +30dbm
• Frequency Reference Accuracy= +/- .1ppm 
• Residual FM is -80 dBc/Hz
• Features synthesized tuning for drift-free, accurate measurements
• Noise sidebands typically less than -115 dBc/Hz at a 10 kHz offset from 1 GHz
• More than 100 dB of spurious-free third-order dynamic range