Patent attributes
An electronic device includes a casing, a circuit board and at least one antenna module. The casing has an accommodating space and an inner side wall surrounding the accommodating space. The circuit board is disposed in the accommodating space. Each of the antenna modules includes a first radiator and a second radiator. The first radiator is disposed on the circuit board and adjacent to the inner side wall, and includes a first section, a second section and a third section extending from the first section in opposite directions respectively. The first section includes a feeding end, and the third section includes a grounding end. The second radiator is disposed on the inner side wall. A coupling gap is formed between the first radiator and the second radiator.
