Antenna

An antenna comprising:

• a first element including
• a plurality of parallel resonators configured to resonate in a first frequency band, and
• at least one first connecting portion configured to connect the parallel resonators immediately adjacent to each other in the plurality of the parallel resonators;
• and
• a second element configured to be connected to the first element, wherein
• the first element and the second element operate with radio waves in a second frequency band different from the first frequency band,
• the first element includes a base member,
• each of the plurality of the parallel resonators includes
• a first conductor and a second conductor, the first and second conductors being configured to operate as a capacitor,
• a first arm extending from the first conductor and a second arm extending from the second conductor, the first and second arms being configured to operate as an inductor, and
• a second connecting portion configured to connect the first arm and the second arm,
• the first conductor and the first arm are located in a first surface of the base member, and
• the second conductor and the second arm are located in a second surface of the base member, the second surface being opposed to the first surface,
• the plurality of the parallel resonators include a first parallel resonator, a second parallel resonator, and a third parallel resonator,
• the first parallel resonator and the second parallel resonator are arranged immediately adjacent to each other and the second parallel resonator and the third parallel resonator are arranged immediately adjacent to each other,
• the second parallel resonator includes
• a first connecting region in which the second parallel resonator is connected to the first parallel resonator, and
• a second connecting region in which the second parallel resonator is connected to the third parallel resonator,
• the first connecting region is located in the first surface of the base member, and
• the second connecting region is located in the second surface of the base member.

An antenna comprising:

• a first element including
• a plurality of parallel resonators configured to resonate in a first frequency band, and
• at least one first connecting portion configured to connect the parallel resonators immediately adjacent to each other in the plurality of the parallel resonators;
• and
• a second element configured to be connected to the first element, wherein the first element and the second element operate with radio waves in a second frequency band different from the first frequency band,
• each of the first connecting portions is a lumped constant circuit, and the lumped constant circuit resonates in a third frequency band different from the first frequency band and the second frequency band,
• wherein each of the plurality of the parallel resonators includes,
• a capacitor including a pair of conductors opposed to each other, and
• an inductor configured to be connected in parallel to the capacitor.