Abstract: The present disclosure relates to a printed circuit board assembly, which includes: a first printed circuit board, printed with a first transmission trace; a second printed circuit board, printed with a second transmission trace; a substrate, in which, the provides a through aperture for a radio frequency connector; and a radio frequency connector, which includes an inner contact portion, an housing and an insulating part provided between the inner contact portion and housing, where the radio frequency connector is configured to be received in and pass through the through aperture, such that a first end of the inner contact portion of the radio frequency connector is electrically connected to the first transmission trace and a second end thereof is electrically connected to the second transmission trace, so that a first end of the housing of the radio frequency connector is electrically connected to a ground layer of the first printed circuit board and a second end thereof is electrically connected to the gro

Abstract: A radiating element for an antenna comprises at least one radiating arm having a first electrically conductive arm segment extending in a first direction and a second electrically conductive arm segment extending in a second direction and electrically connected to the first arm segment.

Abstract: An antenna includes a reflector, a radiating element extending forwardly of the reflector, and a director positioned forwardly of the radiating element. The director includes a plurality of passive impedance elements that provide frequency-dependent reactances to currents induced therein responsive to electromagnetic radiation generated by the radiating element. The plurality of passive impedance elements include: (i) a primary capacitive element, (ii) a first series LC circuit having a first inductor therein electrically connected to a first portion of the primary capacitive element, and (iii) a second series LC circuit having a second inductor therein electrically connected to a second portion of the primary capacitive element.

Abstract: An antenna includes a first radiating element configured to emit first electromagnetic radiation in response to at least one feed signal having a frequency within a first radio frequency (RF) band. A director is provided, which is positioned forwardly of the first radiating element, and in a path of the first electromagnetic radiation. The director includes first and second passive impedance elements that provide respective first and second frequency-dependent reactances to first currents induced within the director in response to the first electromagnetic radiation. The first and second passive impedance elements may include a first inductor and a first capacitor, which are electrically coupled in series. The director may also be configured to include a plurality of passive impedance elements that are connected within an impedance loop containing a second LC circuit in series with a first LC circuit.

Abstract: The present disclosure relates to a printed circuit board assembly, which includes: a first printed circuit board, printed with a first transmission trace; a second printed circuit board, printed with a second transmission trace; a substrate, in which, the provides a through aperture for a radio frequency connector; and a radio frequency connector, which includes an inner contact portion, an housing and an insulating part provided between the inner contact portion and housing, where the radio frequency connector is configured to be received in and pass through the through aperture, such that a first end of the inner contact portion of the radio frequency connector is electrically connected to the first transmission trace and a second end thereof is electrically connected to the second transmission trace, so that a first end of the housing of the radio frequency connector is electrically connected to a ground layer of the first printed circuit board and a second end thereof is electrically connected to the gro

Abstract: A multi-band antenna includes a reflector, and a plurality of first radiating elements on the reflector. The plurality of first radiating elements are configured to radiate a first antenna beam(s) in a first frequency band responsive to at least one feed signal. A passive radiation-filtering element is provided, which extends proximate the first antenna beam(s). The passive radiation-filtering element includes at least one of a low-pass LC circuit, a band-pass LC circuit, and a high-pass LC circuit therein, which is configured to provide a lower frequency-dependent impedance to radiation within the first frequency band relative to radiation at frequencies outside the first frequency band. The passive radiation-filtering element may be configured as a multi-segment fence having capacitive and inductive elements therein, which are electrically coupled in series.

Abstract: A radiating element comprises a first radiator having first and second dipole arms that each include a narrowed arm segment and a widened arm segment and a second radiator having third and fourth dipole arms that each include a narrowed arm segment and a widened arm segment, a first feed line configured to feed a first polarized RF signal to the first through fourth dipole arms, and a second feed line configured to feed a second polarized RF signal to the first through fourth dipole arms.

Abstract: A radiating element for an antenna comprises at least one radiating arm having a first electrically conductive arm segment extending in a first direction and a second electrically conductive arm segment extending in a second direction and electrically connected to the first arm segment.

Abstract: A coupling device includes a plurality of couplers. Each coupler includes a transmission main line and a coupling subline. The transmission main line is used for providing an input end and an output end. The coupling subline is coupled with the transmission main line to provide two coupling ends. The coupling subline includes two first parts located on opposite sides of the transmission main line and a second part connected between the two first parts. The coupling sublines of the plurality of couplers are connected in series to provide a first coupling output port and a second coupling output port. The first part of the coupling subline of at least one of the plurality of couplers has a shared section with the second part of the coupling subline of an adjacent one of the plurality of couplers.

Abstract: A coupling device includes a plurality of couplers. Each coupler includes a transmission main line and a coupling subline. The transmission main line is used for providing an input end and an output end. The coupling subline is coupled with the transmission main line to provide two coupling ends. The coupling subline includes two first parts located on opposite sides of the transmission main line and a second part connected between the two first parts. The coupling sublines of the plurality of couplers are connected in series to provide a first coupling output port and a second coupling output port. The first part of the coupling subline of at least one of the plurality of couplers has a shared section with the second part of the coupling subline of an adjacent one of the plurality of couplers.

Abstract: A patch radiating element that includes a feeder pillar and a patch radiator mounted on the feeder pillar. The patch radiator includes a first patch portion extending in a first direction and a second patch portion extending from an outer end portion of the first patch portion in a second direction. The second direction is different from the first direction. As a result, a space interval between adjacent patch radiating elements can be increased, thereby improving the isolation between the adjacent patch radiating elements so that beamforming of an antenna can be optimized.

Abstract: An antenna includes a reflector having a front side that includes a first region and a second region that does not overlap the first region, a first column of radiating elements element that is located on the front side of the reflector and is configured to emit electromagnetic radiation within a first frequency band, the first column of radiating elements mounted to extend forwardly from the first region, and a reflection reducing component mounted forwardly of the second region, wherein the reflection reducing component is configured such that electromagnetic radiation within the first frequency band that is reflected by the reflection reducing component is weaker than electromagnetic radiation within the first frequency band that is reflected by the first region of the reflector.

Abstract: A multi-band antenna includes a reflector, and a plurality of first radiating elements on the reflector. The plurality of first radiating elements are configured to radiate a first antenna beam(s) in a first frequency band responsive to at least one feed signal. A passive radiation-filtering element is provided, which extends proximate the first antenna beam(s). The passive radiation-filtering element includes at least one of a low-pass LC circuit, a band-pass LC circuit, and a high-pass LC circuit therein, which is configured to provide a lower frequency-dependent impedance to radiation within the first frequency band relative to radiation at frequencies outside the first frequency band. The passive radiation-filtering element may be configured as a multi-segment fence having capacitive and inductive elements therein, which are electrically coupled in series.

Abstract: An antenna includes a first radiating element configured to emit first electromagnetic radiation in response to at least one feed signal having a frequency within a first radio frequency (RF) band. A director is provided, which is positioned forwardly of the first radiating element, and in a path of the first electromagnetic radiation. The director includes first and second passive impedance elements that provide respective first and second frequency-dependent reactances to first currents induced within the director in response to the first electromagnetic radiation. The first and second passive impedance elements may include a first inductor and a first capacitor, which are electrically coupled in series. The director may also be configured to include a plurality of passive impedance elements that are connected within an impedance loop containing a second LC circuit in series with a first LC circuit.

Abstract: A coupling device includes a plurality of couplers. Each coupler includes a transmission main line and a coupling subline. The transmission main line is used for providing an input end and an output end. The coupling subline is coupled with the transmission main line to provide two coupling ends. The coupling subline includes two first parts located on opposite sides of the transmission main line and a second part connected between the two first parts. The coupling sublines of the plurality of couplers are connected in series to provide a first coupling output port and a second coupling output port. The first part of the coupling subline of at least one of the plurality of couplers has a shared section with the second part of the coupling subline of an adjacent one of the plurality of couplers.