An antenna module includes a first antenna unit including at least one first patch antenna pattern, at least one first feed via, and at least one first dielectric layer, a second antenna unit including at least one second patch antenna pattern, at least one second feed via, and at least one second dielectric layer, a first connection portion, a first rigid substrate electrically connecting the first connection portion to the first antenna unit and having a first surface on which the first antenna unit is disposed, a base connection portion, a flexible substrate having a first surface on which the first connection portion is disposed and a second surface on which the base connection portion is disposed, and an IC electrically connected to the flexible substrate through the second surface of the flexible substrate or the first rigid substrate.