The Advantest R3463 spectrum analyzer has functions for analyzing digital modulated signals such as modulation accuracy and transmission speed. The R3463 has an easy-to-use one key solution design that any engineer can use. Features include a frequency range of 9 kHz to 3 GHz with highly stable narrow band sweep and high speed measuring made possible by the newly developed high speed settling synthesizer. The R3463 provides total support for digital mobile communication equipment in applications ranging from radio systems development to production line adjustment and testing.