The R&S®ZNB43 from Rohde & Schwarz is a 2/4-Port Vector Network Analyzer (VNA) that can measure frequencies from 100 kHz to 43.5 GHz. It has a frequency resolution of 1 Hz and a measurement bandwidth from 1 Hz to 1 MHz with 100,001 measurement points per trace. This VNA has a dynamic range from 95-128 dB and a measurement time of less than 2.5 s with directivity of 35-50 dB. It delivers an output power of up to +12 dBm (output port) and has a noise level of less than -125 dBm (input port). This VNA can be controlled manually via a 12.1-inch touchscreen LCD or remotely via an RJ-45 LAN / USB 3.0 interface. It is available as a benchtop device that measures 18.2 × 9.4 × 14.2 inches and has BNC Female, 2.92 mm Male & 2.4 mm Male connectors.