The 9200A RF Millivoltmeter is a microprocessor controlled rf millivoltmeter, that measures rf voltage from 200 ?V to 3 V in the 10 KHz to 1.2 GHz range (300 V to 700 MHz with 91-7C divider). Voltage probe data is stored in a nonvolatile memory. Has 4 digit display that reads in mV or dB.