An antenna structure comprising: a housing , the housing comprising a front frame , a backboard , and a side frame , the side frame positioned between the front frame and the backboard , the side frame comprising an end portion , a first side portion , and a second side portion ; the first side portion and the second side portion connect to two ends of the end portion , the side frame defining a slot at least on the end portion , the slot extending to the first side portion and the second side portion , characterized in that the front frame defines a first gap , a second gap , and a groove , the first gap , the second gap , and the groove all communicating with the slot and extending across the front frame , the first gap communicating with a first end of the slot positioned on the first side portion , the second gap communicating with a second end of the slot positioned on the second side portion , the groove positioned between the first end and the second end; a radiating portion (A1) and a coupling portion (A2) being divided from the housing by the slot , the first gap , the second gap , and the groove ; a first portion of the front frame between the first gap and the groove forming the radiating portion (A1), a second portion of the front frame between the second gap and the groove forming the coupling portion (A2), the coupling portion (A2) being grounded; a first feed source , the first feed source electrically connected to the radiating portion (A1); a ground portion (G1), one end of the ground portion (G1) electrically connected to the radiating portion (A1) and another end of the ground portion (G1) being grounded; a radiator , the radiator being coupled with and apart from the coupling portion (A2); and a second feed source , the second feed source electrically connected to the radiator ; wherein a current from the second feed source is configured to be coupled to the coupling portion (A2) through the radiator . a housing , the housing comprising a front frame , a backboard , and a side frame , the side frame positioned between the front frame and the backboard , the side frame comprising an end portion , a first side portion , and a second side portion ; the first side portion and the second side portion connect to two ends of the end portion , the side frame defining a slot at least on the end portion , the slot extending to the first side portion and the second side portion , characterized in that the front frame defines a first gap , a second gap , and a groove , the first gap , the second gap , and the groove all communicating with the slot and extending across the front frame , the first gap communicating with a first end of the slot positioned on the first side portion , the second gap communicating with a second end of the slot positioned on the second side portion , the groove positioned between the first end and the second end; a radiating portion (A1) and a coupling portion (A2) being divided from the housing by the slot , the first gap , the second gap , and the groove ; a first portion of the front frame between the first gap and the groove forming the radiating portion (A1), a second portion of the front frame between the second gap and the groove forming the coupling portion (A2), the coupling portion (A2) being grounded; a first feed source , the first feed source electrically connected to the radiating portion (A1); a ground portion (G1), one end of the ground portion (G1) electrically connected to the radiating portion (A1) and another end of the ground portion (G1) being grounded; a radiator , the radiator being coupled with and apart from the coupling portion (A2); and a second feed source , the second feed source electrically connected to the radiator ; wherein a current from the second feed source is configured to be coupled to the coupling portion (A2) through the radiator . <EOS>