Antenna device and communication device

Abstract

There are provided an antenna device and a communication device including: a board including a metamaterial layer, a ground layer, and a first layer disposed on a side opposite to the ground layer across the metamaterial layer; a first resonator to which power is fed, the first resonator being provided in the first layer; and a second resonator including two conductors provided along a longitudinal direction of the first resonator, the conductors being provided on the first layer and on both sides of the first resonator in a short direction of the first resonator. The two conductors of the second resonator have end portions, and one terminal of each of the end portions is connected to the ground layer.

Dependencies are inferred from the claim text.