Bandwidth: from 200 MHz to 4.5 GHz Input resistance: up to 1 MΩ Low input capacitance: less than 1 pF Very low additional noise level Built-in high-precision DC voltmeter (not available on all models) Bandwidth from 1 GHz to 4.5 GHz Maximum dynamic range ± 5 V, ± 60 V (with R&S®RT-ZA15)