with a catalyst and embedding a metal insert can simplify steps for manufacturing the antenna structure further a non conductive frame produced by the process disclosed herein can exhibit waterproof effect the catalyst mentioned above is mixed with a plastic and then injected into a mold to form the non conductive frame the metal insert mentioned above is disposed in the mold before the step of injecting the plastic alternatively the metal insert is embedded in the non conductive frame after the step of injecting the plastic application_number US 201213609090 A description the present disclosure is described by the following specific embodiments those with ordinary skill in the arts can readily understand the other advantages and functions of the present invention after reading the disclosure of this specification the present disclosure can also be implemented with different embodiments various details described in this specification can be modified based on different viewpoints and applications without departing from the scope of the present disclosure reference will now be made in detail to the embodiments of the present disclosure examples of which are illustrated in the accompanying drawings wherever possible the same reference numbers are used in the drawings and the description to refer to the same or like parts fig1 is a schematic diagram of a non conductive frame according to one embodiment of the present disclosure the non conductive frame 100 includes a metal insert 110 as shown in fig1 the non conductive frame 100 is made of a plastic containing a catalyst not shown the non conductive frame 100 can be formed by an injection molding method but not limited thereto according to.