3 Hz to 3000 MHz in two overlapping ranges  High input sensitivity over the full frequency range  High impedance measurement up to 125 MHz  Reciprocal counting technique gives superior resolution  Period measurement from 3 Hz to 125 MHz  Battery operation and lightweight, handheld format  Push-to-measure function with auto power-down  Large 8.5 digit display with full range of annunciators  Selectable measurement time; display hold function  Noise filter for low frequency measurements