A multi-band antenna array, comprising: vertical surfaces (106A-H, 302A-L) arranged in a tubular configuration, each of the vertical surfaces (106A-H, 302A-L) comprising an antenna array aligned along the respective vertical surface (106A-H, 302A-L), the antenna arrays comprising vertically arranged antenna elements (118A-H), the antenna elements (118A-H) being arrayed through a feed network, wherein a first plurality of the antenna arrays is configured to broadcast in a 5 GHz band, the antenna elements of each antenna array of the first plurality of antenna arrays being fed by corporate feeding, wherein a second plurality of the antenna arrays is configured to broadcast in a 2.4 GHz band, the antenna elements of each antenna array of the second plurality of antenna arrays being fed by series feeding, wherein the antenna elements (118A-H) are spaced apart from one another to increase the antenna gain of the antenna arrays relative to a single antenna element, and wherein the antenna elements (118A-H) are arrayed together in-phase so that an elevation beam-width has a fixed electrical downtilt relative to a substantially horizontal reference plane that corresponds to a horizon of the Earth; and two radios (112, 114, 202, 204, 206, 304, 306) coupled to the antenna arrays on the vertical surfaces (106A-H, 302A-L) via the feed network, said two radios (112, 114, 202, 204, 206, 304, 306) comprising a first radio (114, 202, 304) and a second radio (112, 204, 206, 306), wherein the first radio (114, 202, 304) is configured to operate on a 2.4 GHz band for the second plurality of the antenna arrays and the second radio (112, 204, 206, 306) is configured to operate on a 5 GHz band for the first plurality of the antenna arrays. vertical surfaces (106A-H, 302A-L) arranged in a tubular configuration, each of the vertical surfaces (106A-H, 302A-L) comprising an antenna array aligned along the respective vertical surface (106A-H, 302A-L), the antenna arrays comprising vertically arranged antenna elements (118A-H), the antenna elements (118A-H) being arrayed through a feed network, wherein a first plurality of the antenna arrays is configured to broadcast in a 5 GHz band, the antenna elements of each antenna array of the first plurality of antenna arrays being fed by corporate feeding, wherein a second plurality of the antenna arrays is configured to broadcast in a 2.4 GHz band, the antenna elements of each antenna array of the second plurality of antenna arrays being fed by series feeding, wherein the antenna elements (118A-H) are spaced apart from one another to increase the antenna gain of the antenna arrays relative to a single antenna element, and wherein the antenna elements (118A-H) are arrayed together in-phase so that an elevation beam-width has a fixed electrical downtilt relative to a substantially horizontal reference plane that corresponds to a horizon of the Earth; and two radios (112, 114, 202, 204, 206, 304, 306) coupled to the antenna arrays on the vertical surfaces (106A-H, 302A-L) via the feed network, said two radios (112, 114, 202, 204, 206, 304, 306) comprising a first radio (114, 202, 304) and a second radio (112, 204, 206, 306), wherein the first radio (114, 202, 304) is configured to operate on a 2.4 GHz band for the second plurality of the antenna arrays and the second radio (112, 204, 206, 306) is configured to operate on a 5 GHz band for the first plurality of the antenna arrays.