The invention discloses an antenna module and electronic installation for applying the antenna module which comprises an antenna element and a parasitic element, wherein the antenna element comprises a feed part which is used for being electrically connected with a circuit board of the electronic installation, the parasitic element is adjacently arranged with the feed part of the antenna element and is approximately and longitudinally arranged with the feed part, therefore, the parasitic element is coupled with electromagnetic field of the feed part to produce resonance, thereby that the antenna element produces signal which is provided with multiple wave band.