Our customers count on us for their Keysight agilent frequency universal counters. We offer test, measurement and monitoring products and software such as the Keysight N9000B Precision Frequnecy Reference, Keysight 53220A Frequnecy Counter, and Keysight 53230A Frequnecy Counter . These products are used in electronic design, manufacturing, and network troubleshooting, as well as in electrical, industrial, medical, process and calibration applications.