Antenna and communication device

A communication device, comprising an antenna, wherein the antenna comprises:

• a first patch and a second patch, wherein one of the first patch and the second patch is a choke patch, and the other of the first patch and the second patch is a radiation patch;
• wherein the first patch comprises a first body, a first periodic slow wave line structure, and a first pad, the first body is provided with a first side and is provided with a first accommodating notch on the first side, the first periodic slow wave line structure is located within the first accommodating notch and connected with an edge of the first accommodating notch, and the first pad is located on the first body and connected with the first body, wherein the first accommodating notch penetrates the first body in a thickness direction of the first body;
• and
• wherein the second patch comprises a second body and a second pad, and the second pad is located on the second body and connected with the second body, wherein the first pad is arranged adjacent to the second pad, the first body and the second body are sequentially arranged in a first direction, and a gap is provided between the first body and the second body,
• wherein the first periodic slow wave line structure comprises a plurality of periodic slow wave lines sequentially arranged at intervals in the first direction.