A method of manufacturing an array of semiconductor device packages includes placing a plurality of semiconductor chips on a temporary carrier, covering the plurality of semiconductor chips with an encapsulation material to form an encapsulation body, providing a plurality of microwave components each including at least one electrically conducting wall structure integrated in the encapsulation body, forming a plurality of electrical interconnects each configured to electrically couple a semiconductor chip and a microwave component, and separating the encapsulation body into single semiconductor device packages each including a semiconductor chip, a microwave component and an electrical interconnect.