FIELD: communication.
SUBSTANCE: present invention proposes a feeder device, an antenna, and an electronic device and relates to the field of communication. The feeder device includes a phase shifter, an adder and a jumper component. The phase shifter has the first cavity, the adder has the second cavity, the first cavity is adjacently connected to the second cavity, and the phase shifter is connected to the adder by means of the jumper component.
EFFECT: size of a feeder device is decreased, and level of signal losses is reduced.
9 cl, 14 dwg
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