Modulation meters are simple to operate and fully automatic modulation meter. It is designed to make rapid and accurate modulation measurement for testing transceivers, cordless phones, walkie-talkies, mobile radiophones and other radio communication equipment. It is capable of comprehensive analysis of both amplitude and frequency modulated signals. It is a high performance, modulation meter with comprehensive specifications covering the carrier frequency range from 1.5MHz to 2GHz and level range from 5mV to 1Vrms.