Radio-frequency module and communication device

A radio-frequency module, comprising:

• a first module substrate including a first major surface and a second major surface that are opposite to each other;
• a second module substrate including a third major surface and a fourth major surface that are opposite to each other, the third major surface being disposed facing the second major surface;
• a plurality of electronic components disposed between the second major surface and the third major surface, on the first major surface, and on the fourth major surface;
• a plurality of external connection terminals disposed on the fourth major surface;
• and
• a plurality of inter-substrate connection terminals disposed between the second major surface and the third major surface to couple the first module substrate to the second module substrate, wherein
• the plurality of electronic components include
• a first electronic component including a first switch,
• a second electronic component including a first filter coupled to a power amplifier via the first switch,
• a third electronic component including a second filter coupled to the power amplifier via the first switch, and
• a fourth electronic component including the power amplifier
• the first electronic component, the second electronic component, the third electronic component, and the fourth electronic component are disposed in one of the first module substrate and the second module substrate, and
• the fourth electronic component is disposed in the module substrate same as the first electronic component.