Dual-frequency dipole antenna and electronic device

The invention discloses a dual-frequency dipole antenna and an electronic device. The dual-frequency dipole antenna comprises a dielectric carrier plate, a first radiator, a second radiator, a coupling radiator, a coaxial cable and a Balun circuit, wherein the dielectric carrier plate comprises a first surface; the first radiator and the second radiator are arranged in two opposite areas of the first surface, and the structural shapes of the first radiator and the second radiator are different; the coupling radiator is arranged on the first surface and extends from the second radiator to the first radiator, and a coupling gap is formed between the coupling radiator and the first radiator; an internal conductor of the coaxial cable is electrically connected with the second radiator, and an external conductor of the coaxial cable is electrically connected with the first radiator; the balun circuit is of a winding structure and is arranged on the first surface, one end of the balun circuit is connected with the