Switchable step attenuator, base units up to 6/18 GHz, 0.1/1 dB step size, extendable by external modules to 40/67 GHz. Up to 139 dB attenuation range.

The R&S®ZNB3000 vector network analyzer is optimized for high-volume production and demanding applications, thanks to industry-leading measurement speed, stability and scalability.