HP / Keysight / Agilent 8722A Overview The Agilent 8722A is a 50 MHz to 40 GHz Network Analyzer. Specifications: 50MHz to 40GHz frequency range 100kHz frequency resolution -15dBm to -65dBm power range 75dB dynamic range Built-in fast-sweeping synthesized source Integrated switching S-parameter test set Direct save / recall to an external disk drive Color display HPIB.