Abstract: The present disclosure relates to a radiating element for antennas, and more particularly, to a radiating element including a base panel stacked and coupled parallel to a front surface of a reflecting panel, and at least one dipole bent and extended from the base panel in respective different directions to radiate different polarized beams, thereby improving antenna gain and reducing the weight of a product.

Abstract: The present invention relates to a clamping apparatus for a support pole of a radio unit (RU) and, particularly, to a clamping apparatus s for a support pole of an RU comprising: a pole-side clamp, which is fixed to the support pole and has a locking hole recessed downward from the top thereof; and an RU-side clamp having the front end fixed to the RU, and having, at the rear end thereof, a locking pad inserted from the top toward the bottom into the locking hole of the pole-side clamp to be fixed therein, wherein the locking hole and the locking pad are inclined such that the front-to-back width gradually narrows in the direction of gravity, and thus the RU is easily attached to the support pole and each antenna device is easily oriented.

Abstract: The present invention relates to a clamping apparatus for an antenna device, and particularly, to a clamping apparatus including a rotation unit configured to rotate an antenna device in a horizontal direction, a tilting unit configured to rotate the antenna device in a vertical direction, and a connection arm configured to install at least one of the rotation unit and the tilting unit on a support pole so that the support pole is not positioned on a horizontal rotation path and a vertical rotation path of the antenna device, thereby reducing an installation space for an antenna device with respect to the support pole.

Abstract: The present invention relates to a switchable filter comprising: a filter unit in which a first filter group for filtering the frequency of a first frequency band is provided on one surface thereof and a second filter group for filtering the frequency of a second frequency band is provided on the other surface thereof on the basis of a center partition wall; and a frequency band switching unit, which moves to be adjacent to or separated from the one surface or the other surface of the filter unit, and thus converts a frequency band into the first frequency band or the second frequency band. Therefore, the deterioration of RF characteristics is prevented and selective conversion between frequency bands is facilitated.

Abstract: The present invention relates to a clamping apparatus for an antenna, and particularly, an upper end of an antenna installation bracket is connected, on at least one point, to an upper support bracket part so as to be steered and rotated by means of a pair of tilting link members, a tilting driving unit, and a steering driving unit, and a lower end of the antenna installation bracket is connected, on at least one point, to a lower support bracket part so as to be steered and rotated, which may stably install an antenna device on a support pole and enable a miniaturization design of a product.

Abstract: A wireless communication apparatus is disclosed. According to at least one embodiment of the present disclosure, a wireless communication apparatus including a main case; a random disposed on a front surface of the main case and forming an accommodation space therein; a heat dissipation portion disposed at a rear surface of the random; an upper screen disposed in contact with a rear end of an upper surface of the main case and having a plurality of first through holes formed therein; and a cover portion disposed on a rear surface of the main case, configured to be opened and closed, and having a plurality of second through holes formed therein.

Abstract: The present invention relate to an antenna apparatus, and more particularly, to an antenna apparatus including an antenna housing part formed in a form of an enclosure opened at a front side thereof, a board assembly disposed to be tightly attached to an internal space defined by the antenna housing part, and a plurality of antenna RF modules arranged on a front surface of the board assembly, in which the antenna housing part is divided into at least three components, and the components are manufactured and then coupled to one another to prevent distortion caused by thermal stress between upper and lower ends due to a difference in heat generation amount between heating elements mounted on the board assembly, thereby preventing the antenna housing part from being distorted by thermal stress caused by imbalance of heat generated from the heating elements, and solving a PIMD problem by preventing an unintended movement and clearance of the internal antenna RF modules.

Abstract: A heat dissipation apparatus comprises: a first-side heat-conducting panel; a second-side heat-conducting panel bonded to the first-side heat-conducting panel and forming, with the first-side heat-conducting panel, a refrigerant flow space in which a refrigerant is filled and undergoes phase change; and a sintered body column assembly disposed on the refrigerant flow space, wherein the sintered body column assembly comprises: a plurality of condenser sintered body columns disposed at a portion corresponding to a condensation end that is involved in condensation of the refrigerant through heat exchange with outside air in the refrigerant flow space; and an evaporator sintered body base disposed at an evaporation end, which is a portion of the refrigerant flow space excluding the condensation end and is closer to heat-generating elements, and connected to at least one of the plurality of condenser sintered body columns, thereby maximizing heat dissipation performance and improving bonding force.

Abstract: The present disclosure relates to a cavity filter assembly and, particularly, comprises: a filter body having a cavity, which is a predetermined space therein; and at least one resonance bar having a front end surface that forms a stamped part, which is a protruding surface protruding from the bottom surface of the filter body toward the cavity so as to be parallel to the bottom surface of the filter body in the cavity, for frequency tuning in the cavity, and having a tuning correction hole that penetrates the stamped part, wherein the resonance bar allows frequency tuning to be performed in the cavity through stamping on the outer surface of the stamped part from the outside of the filter body, and the tuned frequency can be corrected through the tuning correction hole, and thus the advantages of reducing the total weight and component costs of an antenna device and improving product productivity are provided.

Abstract: The present invention relates to a signal shielding apparatus and an antenna apparatus including same, and in particular, comprises a shield cover which is stacked and disposed on a printed board assembly (hereinafter, abbreviated to “PBA”), in which a plurality of signal-related components are mounted on one side thereof to prevent leakage of a signal from the plurality of signal-related components, wherein a grooved shield cover seating groove is formed in one surface of the PBA, and an insertion end insertably seated in the shield cover seating groove is integrally formed in the other surface from among one surface and the other surface of the shield cover, the other surface facing the one surface of the PBA, thereby providing advantages in that an increase in the manufacturing cost may be prevented, EMI shielding may be facilitated, and heat dissipation performance may be significantly improved.

Abstract: The present invention relates to a clamping apparatus for an antenna, the clamping apparatus including fixing bracket parts provided at upper and lower sides of a support pole to mediate installation of an antenna device on the support pole, an antenna installation bracket configured to mediate installation of the antenna device at a front side, a steering driving unit connected to the fixing bracket part and configured to operate to steer and rotate the antenna device, and a tilting driving unit having an upper end hingedly connected to the steering driving unit and a lower end hingedly connected to an upper end of a rear surface of the antenna installation bracket by means of a pair of tilting link members, the tilting driving unit being configured to tilt and rotate the antenna device, in which the clamping apparatus may further include a backlash reduction design shape for reducing the occurrence of mechanical backlash noise caused by an eccentric load of the antenna device, thereby suppressing the occurr

Abstract: The present invention relates to a small cell base station antenna apparatus, and more particularly, comprises: a radio unit (RU); one or more antenna modules installed on the radio unit so as to be capable of tilting and steering operations; and a multi-function link for mediating the installation of the one or more respective antenna modules on the radio unit, wherein the multi-function link includes male connectors that electrically connect female connectors included in the antenna modules and the radio unit, thus providing the benefits of improving the workability of indoor installation and facilitating the construction of a small cell base station.

Abstract: A heat dissipation apparatus according to the present invention includes: a first-side heat-conducting panel provided as a metal panel member; and a second-side heat-conducting panel provided as a metal panel member, wherein the first-side heat-conducting panel and the second-side heat-conducting panel have bent edge portions that are surface-bonded to each other to define a refrigerant flow space in which a refrigerant flows while undergoing phase change, and wherein the bent edge portion of one of the first-side heat-conducting panel and the second-side heat-conducting panel is arranged such that at least a portion thereof overlaps in a thickness direction of the refrigerant flow space with the bent edge portion of the other so as to enable the mutual surface bonding, thereby providing the advantages of maximizing heat dissipation performance and preventing injury to workers during product manufacturing.

Abstract: The present invention relates to a heat dissipation device and a manufacturing method therefor. The heat dissipation device according to the present invention includes a heat-conduction panel body in which a refrigerant flow space having a predetermined thickness is formed to dissipate heat through a first surface and a second surface, wherein the heat-conduction panel body comprises a vacuumization portion installed on either the first surface or the second surface to communicate with the refrigerant flow space in a direction perpendicular thereto, the vacuumization portion being configured to vacuumize the refrigerant flow space before a refrigerant is filled into the refrigerant flow space or after the refrigerant is filled therein. Thus, there are the advantages of preventing a refrigerant leak in the heat dissipation device and improving heat dissipation performance.

Abstract: A heat dissipation apparatus and antenna assembly using the same is disclosed herein. According to an embodiment of the present disclosure, a heat dissipation apparatus configured to cool a circuit board including at least one heat generation element is provided, the heat dissipation apparatus including: a plate disposed to face the circuit board; a plurality of first heat dissipation fins disposed in a first direction on one surface of the plate spaced apart from the circuit board; and a blowing unit disposed to face the one surface of the plate, the blowing unit including at least one fan configured to discharge air toward the one surface of the plate, wherein a space between two adjacent first heat dissipation fins defines a side flow path configured to guide the air discharged from the at least one fan.

Abstract: A quadri-polarization diversity antenna system is disclosed. According to embodiments of the present disclosure, an antenna system includes an antenna array including columns of first dual-polarized antenna units arranged on a first plane of an antenna panel and columns of second dual-polarized antenna units arranged on a second plane of the antenna panel. The first plane and the second plane form an obtuse angle with each other. The columns of the first dual-polarized antenna units are used to form a first beam with +/?45 ° polarizations, and the columns of the second dual-polarized antenna units are used to form a second beam with 0°/90° polarizations.

Abstract: The present invention relates to a heat dissipation module, a heat dissipation device including same, an antenna device, and a lighting device. The heat dissipation module comprises a heat conduction panel body having a refrigerant flow space that is a sealed space in which a refrigerant is accommodated and circulates between liquid and vapor phases while undergoing a phase change to transfer heat, wherein the refrigerant flow space comprises: a first section serving as an evaporation region that receives heat from a heat-generating element to be cooled; and a second section serving as a path through which a liquid refrigerant, condensed from a vapor phase of the refrigerant, flows to the first section by surface tension or gravity, and wherein the heat-generating element is coupled to an outer side of the heat conduction panel body corresponding to the first section by either a fitting method or a bonding method.

Abstract: A quadruple polarization antenna apparatus comprising: first dual-polarization antenna element; a second dual-polarization antenna element disposed below the first dual-polarization antenna element so that at least a portion overlaps the first dual-polarization antenna element; and a connecting part configured to connect the first dual-polarization antenna element and the second dual-polarization antenna element.

Abstract: The present invention relates to a condensing panel assembly and a heat dissipation device including same, and, particularly, the heat dissipation device comprises an evaporation panel assembly in which a reservoir storing a refrigerant capable of phase change according to temperature is formed and at least a portion of a lower surface thereof is in surface thermal contact with heat-generating surfaces of heating elements; and a plurality of condensing panel assemblies coupled to the evaporation panel assembly to communicate with the reservoir and configured to release heat transferred from the heating elements through heat exchange with outside air (outdoor air).

Abstract: A filter structure is disclosed. According to an embodiment of the present disclosure, provided is a filter structure comprising: a housing: a ground member disposed inside the housing and having one side coming in contact with the housing; a wall member extending from the inner surface of the housing to be in contact with the ground member; a plurality of resonators disposed inside the housing and disposed on straight lines extending in the radial direction from the ground member; an input port connected to one of the plurality of resonators; and an output port connected to another one of the plurality of resonators, wherein the plurality of resonators are arranged apart from each other, and one side of at least one of the plurality of resonators is connected to the ground member.