An antenna apparatus includes two feeding parts, a filter matching network, and a radiator. The filter matching network includes a first port, a second port, and a third port. A first feeding part is electrically connected to the first port, a second feeding part is electrically connected to the second port, and the radiator is electrically connected to the third port. The first feeding part is configured to feed a low frequency signal and an intermediate frequency signal, the second feeding part is configured to feed a high frequency signal, the low frequency signal, the intermediate frequency signal, and the high frequency signal are respectively fed into the filter matching network by using the first feeding part and the second feeding part, and the filter matching network is configured to improve isolation between the low frequency signal and the intermediate frequency signal, and the high frequency signal.

An antenna module, including a first antenna, a second antenna, a first ground, a third antenna, and a second ground, is provided. The first ground is located between the first antenna and the second antenna and is connected to the first antenna and the second antenna. The first ground has a first slot near the first antenna. The second antenna is located between the first antenna and the third antenna. An extension direction of the first antenna is not parallel to an extension direction of the second antenna. The extension direction of the second antenna is not parallel to an extension direction of the third antenna. The second ground is located between the second antenna and the third antenna and is connected to the third antenna. The second ground is separated from the first ground and the second antenna, and has a second slot.

This disclosure is directed to a broadband notch radiator antenna. In one aspect, a broadband notch radiator antenna includes a dielectric substrate having a first surface and a second surface. A conductive material is disposed on the first surface to form a horn-shaped dielectric notch antenna. The conductive material disposed on the first surface includes a meander line antenna connected to an edge of the horn-shaped notch. One or more microstrip feed lines and one or more inductance matching circuits are disposed on the second surface. The one or more inductance matching circuits are connected to the one or more feed lines.

A housing for storing therein a circuit board, includes: a through hole; an electrically conductive pattern passing through inner walls of the through hole so as to be stretched from the outside surface of the housing to the inside surface of the housing, and being electrically connected to the circuit board; and a plug member with which the through hole is filled, the through hole having openings on the outside and the inside, respectively, of the housing, and the opening on the outside of the housing being larger than the opening on the inside of the housing.

A printed circuit board can include a substrate layer, a first metal layer disposed over the substrate layer, a core layer disposed over the first metal layer, and a second metal layer disposed over the core layer, where the core layer defines a closed cavity between the first and second metal layers. Optionally, the cavity is filled with air and operates as an antenna.

A method for adjusting an antenna configuration of the terminal device (30) in a cellular communication system (10). The system (10) includes a base station (20) and a terminal device (30) having a plurality of antenna elements (40-43). In the terminal device (30) a plurality of preset antenna configurations is provided. Each antenna configuration defines at least one reception parameter for the plurality of antenna elements (40-43). For each antenna configuration of the plurality of preset antenna configurations the antenna configuration is applied to the plurality of antenna elements (40-43) and a reception characteristic of a signal transmission from the base station (20) is determined. Based on the plurality of reception characteristics one antenna configuration is selected and applied to the plurality of antenna elements (40-43) for further signal transmissions.

According to a method of preparing a conductive magnetic composite sheet, the method comprising preparing a magnetic sheet comprising a magnetic powder and a binder resin; stacking the magnetic sheet and a first conductive foil; and applying heat and pressure to the obtained stack to bond the magnetic sheet and the first conductive foil, a conductive magnetic composite sheet having excellent interlayer adhesion between the magnetic sheet and the conductive foil can be prepared while having an excellent magnetic property at NFC, WPC, and MST frequencies.

A mobile terminal and an antenna of a mobile terminal are provided. The mobile terminal includes: a printed wiring board; a housing; a metal frame surrounding the housing, having a first frame, a second frame and a third frame, the first frame having a first gap; a first connector connected with a part of the first frame; a second connector connected with the third frame and a ground of the printed wiring board; and a first antenna, including: a main radiator; a first part; a second part; a first inductor; a third part; a fourth part a second inductor connected with the fourth part and a fifth part connected with the second inductor and a first feed terminal of the printed wiring board.

A millimeter-wave (MMW) communication system may include an antenna array structure operating within a MMW band, having both a first antenna coupling point and a second antenna coupling point, whereby the first and the second location of the antenna coupling points are within a coplanar surface on which the antenna array structure is formed. The system may further include a first MMW transmitter that couples a first data modulated MMW signal to the first antenna coupling point and a second MMW transmitter that couples a second data modulated MMW signal to the second antenna coupling point. Coupling the first data modulated MMW signal to the first antenna coupling point generates a first MMW radio signal transmitted at a first propagation direction and coupling the second data modulated MMW signal to the second antenna coupling point generates a second MMW radio signal transmitted at a second propagation direction.

An electronic package is provided, including at least an electronic element and at least an antenna structure disposed on a carrier structure. The antenna structure includes a base portion configured with an antenna body and a plurality of support portions disposed on the base portion. As such, the base portion is disposed over the carrier structure through the support portions and a plurality of open areas are formed between the base portion and the carrier structure to serve as an air gap, thereby effectively improving the performance gain and efficiency of the antenna body.