Agilent 8902A
The Keysight 8902A has six precise measurement functions in one fully automatic, HP-IB programmable instrument. It makes signal generator attenuator calibration easier than ever before. Measures RF power from +30 dBm to -20 dBm over 0.1MHz to 2.6GHz range, and tuned RF level from 0 to -127 dBm dynamic range. Measures modulation with 1% accuracy and RF frequency with 1Hz resolution. Also has audio frequency, level, and distortion capabilities.