An apparatus, comprising: a touchscreen; and a housing having a back face and a periphery, the back face, the periphery and the touchscreen forming an interior space of the housing, and the back face walled around by the periphery along edges of the back face, the periphery including: a top wall having a first slot formed therein; a first side wall having a second slot formed therein; and a second side wall having a third slot formed therein, the top wall arranged between the first side wall and the second side wall, wherein a top portion of the periphery is between the second slot and the third slot, wherein the top portion is divided into a first top side portion and a second top side portion via the first slot, wherein the first top side portion has no slot, and is configured to operate as a first antenna, wherein the second top side portion has no slot, and is configured to operate as both a second antenna and a third antenna, wherein the first antenna has a first antenna feed member extending inwardly from or coupled to the first top side portion, the second antenna has a second antenna feed member extending inwardly from or coupled to a first position of the second top side portion, and the third antenna has a third antenna feed member extending inwardly from or coupled to a second position of the second top side portion, wherein the first position and the second position are different positions of the second top side portion, wherein the first antenna has a first antenna ground, the second antenna has a second antenna ground, and the third antenna has a third antenna ground, and wherein a width of the first slot, a width of the second slot and a width of the third slot are in a range of 0.5-5 mm. a touchscreen; and a housing having a back face and a periphery, the back face, the periphery and the touchscreen forming an interior space of the housing, and the back face walled around by the periphery along edges of the back face, the periphery including: a top wall having a first slot formed therein; a first side wall having a second slot formed therein; and a second side wall having a third slot formed therein, the top wall arranged between the first side wall and the second side wall, wherein a top portion of the periphery is between the second slot and the third slot, wherein the top portion is divided into a first top side portion and a second top side portion via the first slot, wherein the first top side portion has no slot, and is configured to operate as a first antenna, wherein the second top side portion has no slot, and is configured to operate as both a second antenna and a third antenna, wherein the first antenna has a first antenna feed member extending inwardly from or coupled to the first top side portion, the second antenna has a second antenna feed member extending inwardly from or coupled to a first position of the second top side portion, and the third antenna has a third antenna feed member extending inwardly from or coupled to a second position of the second top side portion, wherein the first position and the second position are different positions of the second top side portion, wherein the first antenna has a first antenna ground, the second antenna has a second antenna ground, and the third antenna has a third antenna ground, and a top wall having a first slot formed therein; a first side wall having a second slot formed therein; and a second side wall having a third slot formed therein, the top wall arranged between the first side wall and the second side wall, wherein a top portion of the periphery is between the second slot and the third slot, wherein the top portion is divided into a first top side portion and a second top side portion via the first slot, wherein the first top side portion has no slot, and is configured to operate as a first antenna, wherein the second top side portion has no slot, and is configured to operate as both a second antenna and a third antenna, wherein the first antenna has a first antenna feed member extending inwardly from or coupled to the first top side portion, the second antenna has a second antenna feed member extending inwardly from or coupled to a first position of the second top side portion, and the third antenna has a third antenna feed member extending inwardly from or coupled to a second position of the second top side portion, wherein the first position and the second position are different positions of the second top side portion, wherein the first antenna has a first antenna ground, the second antenna has a second antenna ground, and the third antenna has a third antenna ground, and wherein a width of the first slot, a width of the second slot and a width of the third slot are in a range of 0.5-5 mm.