Abstract: A secondary battery includes: a plurality of temperature sensing units that is in close contact with an exterior and senses a temperature of respective areas of the exterior; and an insulating film defining an outer surface of the exterior and having electrical insulation, wherein one or more of the plurality of temperature sensing units include: a positive temperature coefficient element; and a negative temperature coefficient element, and the plurality of temperature sensing units are covered by the insulating film. A method for manufacturing the secondary battery, and a battery module are also provided.

Abstract: The application provides a separator assembly, a battery module, a battery pack, an apparatus, and a manufacturing method. The separator assembly includes: an insulating plate, a circuit board arranged on the insulating plate, busbars arranged on the insulating plate on at least one side of the circuit board, and connection sheets connected between the busbars and the circuit board. The connection sheets include an upper connection sheet and a lower connection sheet. The insulating plate includes a first surface and a second surface opposite to each other. The upper connection sheet is arranged on the first surface, and the insulating plate and the lower connection sheet are arranged to be at least partially overlapped in the height direction of the separator assembly, and at least a portion of the lower connection sheet is arranged on the second surface.

Abstract: The present application relates to a top cap assembly, a secondary battery, a battery module, and a device. The top cap assembly includes a top cap plate, having electrode lead-out hole; an electrode terminal, arranged at the top cap plate and covering the electrode lead-out hole; a current collecting member, in which the current collecting member includes a convex portion having an accommodating cavity, at least part of the convex portion is arranged in the electrode lead-out hole, and welded and connected to the electrode terminal to form a welding portion facing the accommodating cavity, and the current collecting member has a connecting hole; an insulating protection member, in which the insulating protection member is arranged at a side of the current collecting member away from the electrode terminal, and the insulating protection member includes a shielding portion and a connecting portion connected with the shielding portion.

Abstract: A battery box includes a main housing and a cover that together define an interior of the battery box and a vent in at least one of the main housing and the cover. The vent provides fluid communication between the interior of the battery box and an atmosphere surrounding the battery box. An upper baffle is positioned in the interior of the battery box behind the vent. The upper baffle is configured to direct any liquid that enters the vent downwardly. A drain opening in the main housing allows liquid that enters through the vent to exit the main housing. A lower baffle positioned proximate the drain opening prevents liquid from entering the interior of the battery box through the drain opening.

Abstract: A balun including first and second conductive tracks located vertically in line and at a distance from each other and having a same pattern.

Abstract: A full band waveguide orthomode transducer (OMT) includes first, second, and third waveguide sections coupled to one another, the first, second, and third waveguide sections respectively having a first port, a second port, and a third port. A first wire grid polarizer in the first waveguide section is transparent to electromagnetic signals having a first polarization and reflective of electromagnetic signals having a second polarization orthogonal to the first polarization. A second wire grid polarizer in the second waveguide section is transparent to electromagnetic signals having the second polarization and reflective of electromagnetic signals having the first polarization. The third waveguide section is configured to transmit and/or receive electromagnetic signals having the first polarization and/or the second polarization.

Abstract: The invention compensates for abnormal operating temperatures and/or abnormal behaviors of a holographic metasurface antenna (HMA) that is generating a beam based on a holographic function. The HMA is characterized with different holographic functions for a plurality of operating temperatures and a plurality of behaviors during the manufacturing process. The characterization of the HMA identifies different hologram functions that cause the HMA to generate more or less heat or exhibit more or less abnormal behavior while generating equivalent beams. Further, or more characterizations of a hologram function may be performed remotely after the HMA is installed in a real world environment. An operating temperature and/or a temperature gradient may be detected by temperature sensors physically located on a circuit board for the HMA.

Abstract: The disclosure relates to a device for securing a first module and a second module in a space between a first mount and a second mount. The device comprises a biasing apparatus configured to urge the first module and the second module away from each other, thereby urging the first module against the first mount and urging the second module against the second mount. Further, the device comprises a release apparatus configured to move the first module and the second module toward each other, thereby moving the first module away from the first mount and moving the second module away from the second mount. The device provides an uncomplicated and flexible mounting and demounting of the first module and second module, thus attaining a flexible and uncomplicated attachment of each module to the respective mount and a flexible and uncomplicated detachment of each module from the respective mount.

Abstract: The present disclosure has disclosed an antenna mounting device configured to collectively mount a plurality of base station antennas on a mast of a communication tower. The antenna mounting device is substantially in the shape of a polygon, and the mast is disposed at a center of the polygon. The antenna mounting device comprises: a plurality of brackets, which are elongated and include a head bracket, at least one intermediate bracket and a tail bracket attached sequentially; and a bracket fastening mechanism which is disposed between two adjacent ends of the head bracket and an adjacent intermediate bracket, or disposed between two adjacent ends of the adjacent intermediate brackets, or disposed between two adjacent ends of the tail bracket and the adjacent intermediate bracket, and which is configured to move two adjacent ends of the adjacent brackets from a position away from each other to a position close to each other.

Abstract: An antenna device and a wireless communication apparatus capable of implementing increase in bandwidth and reduction of the manufacturing cost are provided. The antenna device includes a first antenna element and a second antenna element arranged on one face side of the first antenna element. The first antenna element includes a first glass substrate and a first patch antenna provided on the first glass substrate. The second antenna element includes a second glass substrate and a second patch antenna provided on the second glass substrate. At least part of the first patch antenna faces the second patch antenna with an air gap interposed therebetween.

Abstract: An electronic device includes a base, a connection device, a body, an antenna assembly, and a shield member. The body rotates to a first operating state and a second operating state relative to the base through the connection device. The shield member moves in the base to a shielding state and a non-overlapping state. When the body is in the first operating state, the body is not overlapping with the antenna assembly in a first direction, the shield member is in the non-overlapping state, and the shield member is not overlapping with the antenna assembly in the first direction. When the body is in the second operating state, the body overlaps at least a portion of the antenna assembly in the first direction, the shield member is in the shielding state, and the shield member shields between the antenna assembly and the body.

Abstract: A monocone antenna is described for V2X wireless communications. To achieve ultrawide bandwidth, low-profile, omnidirectional radiation, an implementation comprises various components including a circular monocone, a capacitive feed, a ring with grounding vias, capacitive bars, and conductive cylinders. Another implementation comprises a monocone, a capacitive feed, a ground ring with grounding vias, a plurality of first meander lines, each having a first size, and a plurality of second meander lines each having a second size, wherein the second size is larger than the first size.

Abstract: A substrate storage structure includes a substrate and a housing configured to store the substrate. The housing includes a thickness direction regulator configured to regulate a position of the substrate from both sides in a thickness direction, a width direction regulator configured to regulate the position of the substrate from both sides in a width direction, and a length direction regulator configured to regulate the position of the substrate from both sides in a length direction. The housing includes a first portion and a second portion connected to the first portion. The first portion includes the thickness direction regulator and a part of the length direction regulator. The second portion includes the width direction regulator and another part of the length direction regulator. This substrate storage structure can allow easy assembly.

Abstract: A radio frequency (RF) system including first and second planar RF devices coupled by non-galvanic interconnect. According to various embodiments, a first RF device and a second RF device are separated by a dielectric layer, each of the first and second RF devices including a plurality of pads disposed on surface and surrounded by a common electrode, the common electrode configured as a grounded metal shield, wherein pads of the first RF device and pads of the second RF device face each other to provide capacitive coupling between the pads. The disclosure may reduce complexity and size of the system, and offer more reliable and easily producible interconnection between elements of the RF system.

Abstract: A transmitter component includes an input terminal and a first semiconductor portion with doped regions of a control-side interface circuit. The control-side interface circuit converts a digital input signal received at the input terminal into a transmit radio frequency signal. A control-side metallization structure on at least one of two horizontal main surfaces of the first semiconductor portion includes at least a portion of a control-side antenna structure that emits the transmit radio frequency signal as radio wave. A transceiver circuit may include the transmitter component and a receiver component.

Abstract: The present disclosure provides an antenna package structure and an antenna packaging method. The package structure includes an antenna circuit chip, a first packaging layer, a first rewiring layer, an antenna structure, a second metal connecting column, a third packaging layer, a second antenna metal layer, and a second metal bump. The antenna circuit chip, the antenna structure, and the second antenna metal layer are interconnected by using the rewiring layer and the metal connecting column.

Abstract: The invention relates to an antenna, in particular suitable for IEEE 802.11 applications. The invention also relates to a wireless device, such as a wireless access point (AP), a router, a gateway, and/or a bridge, comprising at least one antenna according to the invention. The invention further relates to a wireless communication system, comprising a plurality of antennas according to the invention, and, preferably, a plurality of wireless devices according to the invention.

Abstract: An electronic device and method are disclosed. The electronic device includes a first antenna configured to communicate using a first frequency band group, a ground switch coupled to the first antenna, a second antenna configured to communicate using a second frequency band group, wherein the second antenna overlaps the first antenna, a band selection switch configured to select one of multiple radio frequency (RF) paths for the second frequency band group, and a processor. The processor implements the method, including determining a communication frequency band, when the communication frequency band is unsupported by the second antenna, identifying an RF path corresponding to the communication frequency band from among the multiple RF paths, and controlling the band selection switch to select the identified RF path for operative connection to the second antenna.

Abstract: A thin, flexible antenna module is provided for use in a smartphone. When the antenna module is assembled in the smartphone, the antenna module provides an MST antenna and an NFC antenna. For this, the antenna module includes a flexible PCB containing coils and further includes a magnetic sheet engaged with flexible PCB. The flexible PCB and the magnetic sheet are attached to each other to form a single body.

Abstract: An antenna assembly is provided. The antenna assembly includes a dielectric structure and an antenna module. The dielectric has a first region, a second region, and a third region connected in sequence. The antenna module faces the second region, the antenna module is configured to emit a radio frequency (RF) signal, the first region is configured to bring a first phase variation to the RF signal, the second region is configured to bring a second phase variation to the RF signal, the third region is configured to bring a third phase variation to the RF signal, and the second phase variation is different from the first phase variation and the third phase variation. An electronic device is further provided.

Abstract: A base station antenna includes an internal radome and a multi-column antenna array antenna. The internal radome can be configured with a plurality of columns, each having an outwardly projecting peak segment and each neighboring column of the internal radome can be separated by a valley. Each outwardly projecting peak segment(s) is oriented to project toward a front of the base station antenna and is positioned medially aligned over a respective column of the multi-column antenna array to thereby reduce mutual coupling of respective elements and/or columns of elements and/or provide a common near field environment for each element and/or each column.

Abstract: An accessory for an electronic device includes: headphones; at least one phased array antenna on the headphones, the at least one phased array antenna comprising an array of antenna elements that are configured to form a beam in a determined direction, the at least one phased array antenna being configured to communicate wirelessly with an external device; a local communication system in the headphones, the local communication system configured to communicate locally with the electronic device; and a battery in the headphones, the battery operatively connected to each of the at least one phased array antenna and the local communication system.

Abstract: A multi-section antenna with a shared radiator and a wearable device applying the antenna. The multi-section antenna with a shared radiator comprises a plurality of antenna modules, a radio frequency module and at least one sensing module. The plurality of antenna modules are coupled to each other through a first capacitor structure. The radio frequency module is coupled with one of the antenna modules through a second capacitor structure. The radio frequency module is used to receive or transmit radio frequency signals by the antenna module. The sensing module is coupled with the antenna module through a first inductor, and the sensing module is used to sense a capacitance value of a parasitic capacitance of the antenna module.

Abstract: An electronic device is provided. The electronic device includes a housing on which at least a part of an external device operating communication in a frequency band of 20 GHz or higher is mounted, support members comprising a first support member connected to an area of the housing so as to support wearing of the electronic device in an area of the user's head while surrounding at least a part of the horizontal circumference of the user's head, and a second member surrounding at least a part of the vertical circumference of the user's head, and an antenna module disposed in an area of the second support member. The antenna module comprises an antenna layer comprising multiple patch antenna elements, a wireless circuit layer laminated on the lower portion of the antenna layer, and a heat-radiating layer laminated on the lower portion of the wireless circuit layer.

Abstract: A portable computing device includes an antenna within its housing structure for wireless connectivity, where an upper partition of the housing structure is used to construct an antenna plane, and a ground plane is incorporated into a lower partition of the housing structure. In some cases, the antenna is capable of maintaining wireless connectivity over a wide frequency band. Some embodiments include a device mount external to the upper partition and the lower partition of the housing structure that enables mounting the portable computing device to another entity, such as a user. In some cases, the device mount is external to the antenna used by the portable computing device, and does not include any portions of the antenna.

Abstract: A deployable electromagnetic radiation antenna system for extraterrestrial deployment of an electromagnetic radiation directing surface, the deployable electromagnetic radiation antenna system comprising is provided. The deployable electromagnetic radiation antenna system includes one or more deployable support structures, an electromagnetic radiation directing surface, a plurality of actuators, each coupled to one or more of the one or more deployable support structures and the electromagnetic radiation directing surface, and a satellite body, wherein the electromagnetic radiation directing surface is coupled to the satellite body by the one or more deployable support structures and the electromagnetic radiation directing surface is deployable from the satellite body by the one or more deployable support structures.

Abstract: The disclosure relates to an antenna-retaining device for a motor vehicle. The antenna-retaining device includes an antenna carrier plate for retaining a monopole antenna in an emitting position; and a motor-vehicle coupling device for fastening the antenna carrier plate to a vehicle body. The antenna carrier plate is electrically conductive and thus forms an electrical counterpoise to the monopole antenna. The antenna-retaining device includes an electrically conductive tab element as a counterpoise extension. The antenna carrier plate and the counterpoise extension are interconnected. When the monopole antenna is retained in the emitting position, the monopole antenna and the counterpoise extension are arranged on opposite sides of the antenna carrier plate, and a surface of the counterpoise extension and a planar emitting region or a longitudinal axis of the monopole antenna include an angle in the range of 90° to 180°.

Abstract: An antenna system capable of operating among all LTE bands, and also capable of operation among all remote side cellular applications, such as GSM, AMPS, GPRS, CDMA, WCDMA, UMTS, and HSPA among others. The antenna system provides a low cost alternative to active-tunable antennas suggested in the prior art for the same multi-platform objective.

Abstract: Provided is a glass substrate with which it is possible to reduce dielectric loss in high-frequency signals, and which also has excellent thermal shock resistance. This invention satisfies the relation {Young's modulus (GPa)×average thermal expansion coefficient (ppm/° C.) at 50-350° C.}?300 (GPa·ppm/° C.), wherein the relative dielectric constant at 20° C. and 35 GHz does not exceed 10, and the dielectric dissipation factor at 20° C. and 35 GHz does not exceed 0.006.

Abstract: An antenna is provided. The antenna includes a transparent substrate and a metal layer disposed on the transparent substrate. The metal layer includes a plurality of hollow regions, at least one hollow region in the plurality of hollow regions is surrounded by at least one metal line group and the at least one metal line group includes at least one metal line; a cross section of the at least one metal line has a non-rectangular shape.

Abstract: An electronic device may be provided with wireless circuitry and a housing with upper and lower ends. The upper end may include first and second inverted-F antennas formed from portions of conductive peripheral housing structures separated from an antenna ground by a slot. The upper end may include an open slot antenna formed from a portion of the slot. The upper end may include an additional inverted-F antenna that overlap the slot. A parasitic element may be disposed between the open slot antenna and the additional inverted-F antenna and coupled to the antenna ground at a proximal end. A tuning component may be coupled between the parasitic element and the antenna ground.

Abstract: An antenna system is provided, including a ground plane, a first antenna unit, a second antenna unit, a first ground unit and a second ground unit. The ground plane includes a first side and a second side. The first ground unit and the ground plane jointly form a first closed loop, and a length of the first ground unit matches the first high-frequency signal and the second high-frequency signal to provide grounding of the high-frequency signals. The second ground unit forms a second closed loop and is connected to the first ground unit, and a length of the second ground unit is greater than the length of the first ground unit. A sum of the length of the second ground unit and the length of the first ground unit matches the first low-frequency signal and the second low-frequency signal, to jointly provide the grounding of the low-frequency signals.

Abstract: Provided are an antenna system and a network device. In an example, the antenna system includes at least one antenna unit and a control apparatus configured to control the at least one antenna unit to rotate, wherein the control apparatus is connected with the at least one antenna unit and an external control device, receives a rotation instruction from the external control device, and controls the at least one antenna unit to rotate to a target angle according to the received rotation instruction.

Abstract: An antenna assembly and an electronic device are provided. The antenna assembly includes a dielectric structure and at least one antenna module. The dielectric structure has a first region, a second region, and a third region connected sequentially in a preset direction, where the first region is configured to bring a first phase variation to a radio frequency (RF) signal, the second region is configured to bring a second phase variation to the RF signal, and the third region is configured to bring a third phase variation to the RF signal. The second phase variation is different from the first phase variation and the third phase variation. The at least one antenna module is arranged facing the dielectric structure, where a center of the at least one antenna module deviates by a preset distance relative to a center of the second region in the preset direction.

Abstract: An information handling system (IHS) includes a multiple antenna system. The multiple antenna system includes a first antenna; a second antenna; and an antenna control system, the antenna control system comprising a first phase shift network, a second phase shift network and a smart antenna controller, the smart antenna controller controlling activation of the first phase shift network and the second phase shift network.

Abstract: This disclosure describes techniques that enable individual antenna arrays of a base station node to transmit digital information via a plurality of frequency bands. More specifically, a remote radio unit (RRU) may include a first set of antenna arrays and a second set of antenna arrays. Each set of antenna arrays comprise antenna elements that are configured for use with different frequency bands. In this way, the RRU, via the first and second sets of antenna arrays, may be configured for simultaneous use with different frequency bands.

Abstract: Provided is an antenna for receiving radio waves including frequencies in the L6 band unique to QZSS to realize accurate positioning by QZSS. A substrate-type antenna 1 comprises an arcuate antenna element 20 including a long arcuate antenna element 22 and a short arcuate antenna element 24, each of which includes an integral antenna element compatible with three frequency bands and a single antenna element compatible with one frequency band and arranged with a space from the integral antenna element. Each of the integral antenna element and the single antenna element extends from an outer peripheral part of the arcuate antenna element toward an inner peripheral part thereof. The substrate-type antenna 1 further comprises a plurality of connection units 34 connected to the long arcuate antenna element 22 and the short arcuate antenna element 24, respectively, and a coupler 30 to which the plurality of connection units 34 is coupled.

Abstract: An antenna structure includes a radiative antenna element disposed in a first conductive layer and a reference ground plane, disposed in a second conductive layer under the first conductive layer. The radiative antenna element is loaded with a plurality of slots and is electrically connected to the reference ground plane through a plurality of vias, and the vias are placed along a first line of the radiative antenna element and the slots are placed along a second line perpendicular to the first line.

Abstract: An antenna element includes an outer conductor and an inner conductor. The outer conductor forms a perimeter of the antenna element. The inner conductor is physically and electrically connected to the outer conductor only at an intermediate connection at an inner portion of the outer conductor. The outer conductor and the inner conductor are arranged to form a slot therebetween. The slot extends around the inner conductor such that each end of the slot is adjacent to the intermediate connection.

Abstract: Disclosed is a patch antenna in which coupling gaps are formed between a lower patch and feed pins so as to maximize the performance of the antenna. The disclosed patch antenna comprises: a base layer; an upper patch disposed on the upper surface of the base layer; a lower patch disposed on the lower surface of the base layer; and feed pins passing through the base layer, upper patch, and lower patch, wherein the feed pins are spaced from the upper patch and thereby form coupling gaps.

Abstract: A three-dimensional electronic component includes a first surface, a second surface, a third surface, and a fourth surface, and an antenna structure. The antenna structure includes a first radiating metal portion, a second radiating metal portion, an adjusting metal branch, a first ground connection portion, a second ground connection portion, a feed point, and a ground point. The first radiating metal portion on the first surface extends to the second surface. The second radiating metal portion on the first surface extends to the third surface. A gap is between the first radiating metal portion and the second radiating metal portion. The adjusting metal branch on the first surface is connected to the first radiating metal portion. The feed point on the first radiating metal portion is close to the gap. The ground point on the second radiating metal portion is close to the gap.

Abstract: An electromagnetic wave manipulation apparatus may include a substrate integrated with a liquid crystal. For example, the substrate may include one or more cavities filled with the liquid crystal. Alternatively and/or additionally, the substrate may include one or more layers of material interposed with the liquid crystal. The liquid crystal may be subjected to a voltage bias that alters the dielectric constant of the liquid crystal. Doing so may introduce a corresponding field offset between the input signal and the output signal of the apparatus. Subjecting the liquid crystal to different voltage biases may give rise to a spatial phase gradient that enables the apparatus to perform a variety of electromagnetic wave transformations such as reflection, refraction, retro-reflection, amplification, and cancellation. By performing such transformations, the apparatus may change the radiation pattern of its output signal, thus steering its output signal towards or away from a receiver.

Abstract: An antenna includes an antenna conductor to be provided on an exterior side of a chassis and a flexible substrate. The flexible substrate includes a first insulating portion that is a portion of a sheet-shaped dielectric where the sheet-shaped dielectric is folded, a grounding conductor provided between the first insulating portion and the chassis, a second insulating portion that is a portion of the sheet-shaped dielectric where the sheet-shaped dielectric is not folded, and a signal line configured to feed power to the antenna conductor. A thickness of the first insulating portion is greater than a thickness of the second insulating portion.

Abstract: Aspects of the subject disclosure may include, for example, a system having a plurality of transmitters for launching, according to a signal, instances of first electromagnetic waves having different phases to induce propagation of a second electromagnetic wave at an interface of a transmission medium, the second electromagnetic wave having a non-fundamental wave mode and a non-optical operating frequency, wherein the plurality of transmitters has a corresponding plurality of antennas. A reflective plate is spaced a distance behind the plurality of antennas relative to a direction of the propagation of the second electromagnetic wave. Other embodiments are disclosed.

Abstract: An electronic device may be provided with an antenna module. A phased antenna array of dielectric resonator antennas may be disposed within the antenna module. The dielectric resonator antennas may include dielectric columns excited by feed probes. A flexible printed circuit may include transmission lines coupled to the feed probes. The flexible printed circuit may have a first end coupled to the antenna module and extending towards peripheral conductive housing structures forming an additional antenna and a second end coupled to transceiver circuitry. Ground traces on the flexible printed circuit may be shorted to ground structures at the first and second ends to improve the antenna efficiency of the additional antenna. The flexible printed circuit may include an elongated slot with overlapping conductive structures and laterally surrounded by a fence of conductive vias to improve the flexibility of the flexible printed circuit while providing satisfactory antenna performance.

Abstract: A deployable electromagnetic radiation antenna system is provided. The deployable electromagnetic radiation antenna system includes one or more support structures, an electromagnetic radiation directing lens adapted to pass a beam of electromagnetic radiation, and a satellite body including at least one deployment mechanism, wherein the electromagnetic radiation directing lens is deployable in a first direction away from the satellite body, the electromagnetic radiation directing lens being coupled to the satellite body by the one or more support structures, wherein the at least one deployment mechanism deploys the one or more support structures to deploy the electromagnetic radiation directing lens from an undeployed state to a deployed state by at least forming a substantially planar surface of the deployed electromagnetic radiation directing lens.

Abstract: According to various embodiments, an electronic device may comprise: a housing; an antenna structure disposed in an inner space of the housing, the antenna structure including a substrate having a first surface and a second surface oriented toward a direction opposite to the first surface, and at least one first antenna element disposed in a space between the first surface and the second surface and having a beam pattern formed toward a conductive part; an electric wave absorbing member disposed between the conductive part and the at least one first antenna element so as to be disposed in a path in which the beam pattern is formed; and a first wireless communication circuit disposed in the inner space of the housing and configured to transmit or receive a wireless signal of a first frequency band through the at least one first antenna element.

Abstract: A display device is provided. The display device includes a display module and an antenna module. The antenna module includes at least one antenna body for receiving a wireless signal; a signal transmission line coupled to the at least one antenna body; an antenna carrier plate having a working region and a bending region, the antenna carrier plate in the bending region is bent from a display surface to a non-display surface, so that the signal transmission line extends from the display surface to the non-display surface; an adapter circuit board on the non-display surface; and an adapter coupling the signal transmission line to the adapter circuit board to enable the adapter circuit board to be signal coupled to the at least one antenna body.

Abstract: Provided is an antenna. The antenna includes a first metal electrode, a second metal electrode, and a dielectric functional layer. The first metal electrode and the second metal electrode are located on two opposite sides of the dielectric functional layer, respectively; and the first metal electrode includes a plurality of transmission electrodes. The antenna further includes a flexible coplanar waveguide and a feed network. The flexible coplanar waveguide is electrically connected to the feed network and configured to feed an electrical signal to the feed network.

Abstract: A chip antenna includes a first ceramic substrate, a second ceramic substrate disposed to face the first ceramic substrate, a first patch disposed on one surface of the first ceramic substrate to operate as a feeding patch, a second patch disposed on the second ceramic substrate to operate as a radiation patch, at least one feed via penetrating through the first ceramic substrate in a thickness direction to provide a feed signal to the first patch, and a bonding pad disposed on a second surface of the first ceramic substrate opposite the first surface. A thickness of the first ceramic substrate is greater than a thickness of the second ceramic substrate.