The Ceyear AV3672 line of network analyzers are cutting edge and have an extremely competitive value proposition without compromising quality. It is offered in 5 different frequency ranges up to 67 GHz, both 2 and 4 port configurations, and frequency range extension up to 500 GHz. 

AV4051 Series signal/spectrum analyzers have excellent performance in test dynamic range, phase noise, amplitude accuracy, and test speed.  Various test functions include high-sensitivity spectrum analysis, power measurement, IQ analysis, transient analysis, pulse parameter analysis, audio analysis, analog demodulation measurement, phase noise test and more.