Customers looking for a general purpose spectrum analyzer will appreciate the flexibility of the Keysight (previously Agilent Technologies) E4404B Spectrum Analyzer, which can be used for a wide range of applications from aerospace and defense to the manufacturing line. With express analyzer configurations (STD/STG/COM), customers will benefit from faster delivery and its price advantage.
Customers wanting to take advantage of the ESA flexibility, but who need a faster analyzer for the manufacturing line, or connectivity to LAN/USB in addition to GPIB, or want to do in depth signal analysis with 89601A VSA software, will benefit from the Keysight E4404A signal analyzer. The Keysight E4404B ESA-E Spectrum Analyzer was previously manufactured as the Agilent E4404B ESA-E Spectrum Analyzer.