An antenna array comprising: a first metal band and a first feed element for connecting an edge of a meta housing of a computing device to the first metal band ; a second metal band and a second feed element for connecting the edge of the meta housing to the second metal band , wherein the first feed element and the second feed element are configured to operate in a first mode for a wide area network; a third metal band and a third feed element for connecting the edge of the metal housing to the third metal band ; a fourth feed element for connecting the edge of the metal housing to the third metal band , wherein the third feed element and the fourth feed element are configured to be isolated with grounding taps , and wherein the first feed element , the second feed element , the third feed element , and the fourth feed element are configured to operate in a second mode for the wide area network; a fifth feed element disposed between the first feed element and the third feed element , a first radiating element , wherein the fifth feed element is connected to the first radiating element , wherein the first radiating element is isolated from the metal housing ; a sixth feed element disposed between the second feed element and the fourth feed element , a second radiating element , wherein the sixth feed element is connected to the second radiating element , wherein the second radiating element is isolated from the metal housing , and wherein the fifth feed element and the sixth feed element are configured to operate with a local area network; and wherein the first metal band , the second metal band , the third metal band , and the edge of the metal housing are separated, wherein the third metal band is connected to the edge by the grounding taps , such that the grounding taps form closed slot antenna structures with the third and fourth feed elements . a first metal band and a first feed element for connecting an edge of a meta housing of a computing device to the first metal band ; a second metal band and a second feed element for connecting the edge of the meta housing to the second metal band , wherein the first feed element and the second feed element are configured to operate in a first mode for a wide area network; a third metal band and a third feed element for connecting the edge of the metal housing to the third metal band ; a fourth feed element for connecting the edge of the metal housing to the third metal band , wherein the third feed element and the fourth feed element are configured to be isolated with grounding taps , and wherein the first feed element , the second feed element , the third feed element , and the fourth feed element are configured to operate in a second mode for the wide area network; a fifth feed element disposed between the first feed element and the third feed element , a first radiating element , wherein the fifth feed element is connected to the first radiating element , wherein the first radiating element is isolated from the metal housing ; a sixth feed element disposed between the second feed element and the fourth feed element , a second radiating element , wherein the sixth feed element is connected to the second radiating element , wherein the second radiating element is isolated from the metal housing , and wherein the fifth feed element and the sixth feed element are configured to operate with a local area network; and wherein the first metal band , the second metal band , the third metal band , and the edge of the metal housing are separated, wherein the third metal band is connected to the edge by the grounding taps , such that the grounding taps form closed slot antenna structures with the third and fourth feed elements . <EOS>