The R&S Cable Rider ZPH has all the essential basic measurement capabilities required for installing and maintaining antenna systems in the field. Its unique features ensure fast and efficient cable and antenna measurements and spectrum analysis. Two different R&S ZPH models are available to suit different needs, a pure one-port cable and antenna analyzer and a two-port model with additional spectrum analysis and tracking generator features. One-port model: DTF, return loss, VSWR and cable loss measurements Phase noise: –95 dBc (1 Hz), (f = 500 MHz, 30 kHz offset) DANL preamplifier OFF: < –140 dBm, typ. –144 dBm DANL preamplifier ON: < –156 dBm, typ. –161 dBm TOI: +10 dBm Dimensions: 8.0 in × 11.6 in × 3 in Large color touchscreen Up to 9-hour battery life