Additional Features: Frequency range: 9 kHz-26.5 GHz Rugged and portable for lab grade performance in the field One-millisecond RF sweep time, 45 measurements per second RMS, peak, neg peak, quasi-peak detectors ± 0.4 dB overall amplitude accuracy Optional 1 Hz digital-resolution bandwidth filter and preamplifier -166 dBm sensitivity, with internal preamp, +12.5 dBm TOI Maximum frequency coverage up to 325 GHz with external mixing Variable sweep (trace points) from 2 to 8192 Segmented sweep for up to 32 discontinuous spans in one sweep The Agilent E4407B selection of one button measurement solutions combined with its easily navigable user interface and performance in speed allows engineers to spend less time testing and more time designing, building, and trouble shooting components and products.