The NM25T Radio Interference And Field Intensity Analyzer is ideal for surveys to determine the source and analyze the characteristics of radiated and conducted radio interference. It is simple to operate, stable, easily read, and may be used for 40 continuous hours without recharging the integral battery pack. Frequency range is 150kHz to 32MHz (8 bands); Sensitivity: <.2 ?V across 50-ohms; Input VSWR: <1.25; Shielding effectiveness: >100 dB; Audio output: 25 mW into 600-ohm; Power consumption: 5 W.