US Patent 11418226 Radio frequency module and communication device

A radio frequency (RF) module includes a board including a first principal surface and a second principal surface on opposite sides of the board, a filter including a first terminal and a second terminal, a first circuit, and a second circuit. The filter is disposed on the first principal surface. The first circuit is disposed on the second principal surface. In a plan view of the board, a first footprint of a first line and a second footprint of a second line at least partially overlap in the board. The first line connects the first terminal and the first circuit, and the second line connects the second terminal and the second circuit.