553 results about "RF connector" patented technology

An electronic device may be mounted to a main body of a removable case. The case includes a cover that rotates between open and closed positions. The device may convey wireless data and / or a control signal with the removable case over radio-frequency connectors, near-field communications (NFC) coils, connector electrodes, and / or wired data connectors. The removable case may relay the wireless data between the electronic device and a communications satellite in space. The case may include a phased antenna array in the cover. In the open position, the cover may point the phased antenna array towards the sky. The removable case may include beamforming circuitry in the cover and coupled to the phased antenna array. The control signal may control the beamforming circuitry to produce, using the phased antenna array, a signal beam oriented towards the communications satellite.

The invention provides an identification detection method and system for a radio frequency connector, and the method comprises the steps: obtaining the initial appearance image data of the surface of the radio frequency connector, and carrying out the processing of the image data, and obtaining a first appearance image; extracting an appearance feature set and an identification area image from the first appearance image; performing character segmentation and feature extraction on the identification area image, obtaining a preliminary manufacturing information text in combination with a pre-established text recognition model, verifying the preliminary manufacturing information text and associating the preliminary manufacturing information text with the appearance feature set to generate an associated data set; comparing the appearance feature set with a preset standard appearance database to generate defect marking data, fusing the associated data set with the defect marking data to generate comprehensive analysis data, and generating a visual chart according to the comprehensive analysis data; and further analyzing performance index change and defect severity according to the visual chart, generating risk assessment data, and generating a final detection analysis file according to the risk assessment data.

The present application discloses a floating radio frequency connector, comprising a fixed outer conductor, a floating outer conductor, an insulating inner core, and a conductive terminal, wherein the fixed outer conductor, the floating outer conductor, and the insulating inner core are coaxially arranged and form a floating central axis, the insulating inner core is arranged inside the floating outer conductor, the conductive terminal is inserted into and fixed inside the insulating inner core along the floating central axis, a lower end of the floating outer conductor is arranged inside the fixed outer conductor, the lower end of the floating outer conductor can swing around the floating central axis as a swing center, and the lower end of the floating outer conductor constantly abuts against the fixed outer conductor.

A vertically-polarized omnidirectional antenna, including: a body including: a host printed circuit board (PCB) including: first and second slots, and a metal flooded ground plane, first and second antenna PCBs forming four dipole pairs, the first and second antenna PCBs mounted to the host PCB, respective first to third ground connection fillet tabs, the first and second tabs being on an opposite side of the host PCB from the third tab, the first to third tabs being on a same side of its antenna PCB, an amplitude taper on each antenna PCB at transitions between the host and antenna PCBs, including: a first transmission line splitting off into a second transmission line and a third transmission line, the second transmission line feeding two antennas to form one dipole pair, the third transmission line stepping down using a quarter-wave transformer, and a radio frequency (RF) connector to receive a power supply.

The present invention discloses a general-purpose low-profile active array antenna system, which includes an antenna module, a multi-functional structural frame, a power divider module, a beam control module, a radio frequency connector, and a low-frequency connector. The multi-functional structural frame includes at least two cavities, and the partition between the two cavities includes a plurality of radio frequency connection holes and a plurality of low-frequency connection holes. The antenna module is connected to one of the cavities, the power divider module and the beam control module are connected to the other cavity. The radio frequency connector is located in the radio frequency connection hole, and the radio frequency connector connects the antenna module and the power divider module. The low-frequency connector is located in the low-frequency connection hole, and the low-frequency connector connects the antenna module and the beam control module. The beneficial effects of the present invention are as follows: the system composition is simplified, which is beneficial to the generalization, serialization, and standardization design of modules, and is more conducive to the realization of low-cost design of active array antennas.

The invention provides a wide-axial-ratio circularly polarized antenna, and relates to the technical field of antennas, and the antenna comprises a dielectric substrate, and the edge of the dielectric substrate is uniformly provided with metalized via holes; the radiation patch covers the upper surface of the dielectric substrate, and a first circular gap is formed in the middle of the radiation patch; the feed network is located on the lower surface of the dielectric substrate; the metal cover comprises a metal back cavity, the metal cover covers the bottom of the feed network and the bottom of the dielectric substrate, and the feed network is located in the metal back cavity; the radio frequency connector passes through the dielectric substrate and the radiation patch and is welded on the upper surface of the radiation patch; one end of the coaxial cable is connected to the lower end of the radio frequency connector, and the other end of the coaxial cable penetrates through the metal back cavity and is connected with the metal cover; the invention is used for solving the technical problems of low gain, narrow axial ratio beam width, complex design and manufacture and overlarge antenna size of the existing circularly polarized antenna.

The utility model discloses a radio frequency probe double-needle card with a limit structure, which belongs to the technical field of chip testing and comprises an elastic needle tip (1), a microwave absorber (2), a fixing support (3) and a radio frequency connector assembly (4), the radio frequency connector assembly (4) comprises a connector portion and a cable portion, the elastic needle tip (1) is arranged at the tail end of the cable portion, and the microwave absorber (2) is arranged on the fixing support (3). The fixing support (3) is provided with two spacing grooves (5) which are arranged at an interval, and the cable part is arranged in the spacing grooves (5). According to the utility model, the test problem caused by the fact that a conventional probe cannot meet the requirement of a relatively wide chip pressure welding point under a special test condition in the prior art can be solved, the flexibility of chip design is improved, and the design constraint caused by insufficient test flexibility of the probe is broken through.

A radio frequency (RF) cluster port having a port body including a number of apertures, each configured to hold a corresponding one of a number of RF ports, each RF port having an RF port conductor combination. The port body may include a number of dual-hook structures, each dual hook structure having a upper first hook and a lower second hook, wherein the upper first hook is configured to have a first pressure applied to it by a bearing pin of a cluster connector when the cluster connector engages the number of RF port conductor combinations to a corresponding number of RF connector conductor combinations, and wherein the lower second hook is configured to have a second pressure applied to it by the bearing pin of the cluster connector when the cluster connector disengages the number of RF port conductor combinations from the corresponding number of RF connector conductor combinations.

A radio frequency applicator, including a waveguide having a first interior surface comprising a first aperture, a second interior surface opposing the first interior surface, a third interior surface adjacent to the first and second interior surfaces, a fourth interior surface opposing the third interior surface, and a fifth interior surface perpendicular to the first, second, third, and fourth interior surfaces, an aperture antenna, a solid dielectric insert within the waveguide, the solid dielectric insert having a second aperture formed therethrough that is configured for alignment with the first aperture, an RF connector, configured to receive generated RF energy pulses, at least one planar-shaped shim, having a third aperture therethrough configured to align with the first and second apertures, and a radio frequency feed pin connected to the RF connector, disposed within the first, second, and third apertures and affixed to the second interior surface of the waveguide.

The invention provides a palladium-based radio frequency probe and a preparation method thereof, and the method comprises the steps: (1) drying and uniformly mixing palladium powder, silver powder, copper powder and other metal mixed powder to obtain a premix; (2) smelting, forging, rolling and quenching the premix in sequence to obtain a palladium-based sheet material; (3) carrying out laser cutting and polishing on the palladium substrate material to obtain a needle tip elastic assembly; and (4) connecting the needle tip elastic assembly to one end of the probe main body, connecting the radio frequency connector to the other end of the probe main body, and then placing the radio frequency connector into the inclined insertion through hole of the probe support to obtain the palladium-based radio frequency probe. According to the scheme, the palladium-based radio frequency probe is high in precision, high in universality, low in cost and easy to maintain.

The utility model discloses a radio frequency connector and a connector combination. The radio frequency connector comprises an insulating base and at least one central conductor assembly. The center conductor assembly includes an inner conductor, an insulating support, an inner shielding ring, and an outer conductor. The inner shielding ring is arranged on the outer peripheral surface of the insulating support member. The outer conductor surrounds the insulating support member, and an annular insertion space is formed between the outer conductor and the inner shielding ring and is used for inserting an outer shielding shell of a butt joint conductor assembly of a butt joint connector into the annular insertion space. The radio-frequency connector and the connector combination are especially suitable for transmission of high-frequency signals, and the transmission frequency can reach 20GHz.

The invention relates to the technical field of photoelectric detection, and particularly discloses a miniaturized photoelectric detector, which comprises a tube shell, one end of the tube shell is provided with a cover plate, and the other end of the tube shell is provided with a radio frequency connector and a pin in a penetrating manner; the photoelectric conversion assembly comprises a first substrate, a second substrate, a photodiode and a transimpedance amplifier which are arranged in the tube shell, the radio frequency connector and the transimpedance amplifier are both electrically connected with the first substrate, the photodiode and the pins are both electrically connected with the second substrate, and the second substrate and the photodiode are both electrically connected with the transimpedance amplifier; the shielding cover is arranged in the tube shell and is arranged outside the radio frequency connector in a surrounding manner; wherein an optical fiber assembly and a lens assembly are arranged on the outer side and the inner side of the cover plate respectively, a through hole is formed in the cover plate, and the optical fiber assembly, the through hole, the lens assembly and the photodiode are located on the same straight line. The system is compact in structure, beneficial to system integration, high in anti-interference capability, high in stability and high in reliability.

The utility model discloses a multi-frequency multi-port non-electrically tunable shaped antenna, comprising a reflecting plate and radiation units, the longitudinal direction of the reflecting plate is sequentially provided with a middle-broadband radio frequency unit installation area and a high-frequency radio frequency unit installation area, and the radiation units comprise a plurality of first radiation units and a plurality of second radiation units. The plurality of first radiation units are arranged in the medium-broadband radio frequency unit installation area side by side, the plurality of second radiation units are arranged in the high-frequency radio frequency unit installation area side by side, each second radiation unit comprises a plurality of second radiation subunits, and the plurality of second radiation subunits of each second radiation unit are arranged in an area array. And each second radiation unit is also in coupled connection with a filtering characteristic feed network board and a corresponding radio frequency connector, wherein the filtering characteristic feed network board is arranged on the other side, deviating from the second radiation unit, of the reflecting plate. According to the invention, it is preferentially ensured that the antenna is specifically suitable for venues, the antenna efficiency is high, and the antenna has higher performance and higher commercial value.

A horizontally-polarized omnidirectional antenna, including: a body including: a host printed circuit board (PCB) including: a metal-flooded ground plane, windows, and an interconnect providing a radio frequency (RF) signal splitting off into 2*Z0 transmission lines, a plurality of antenna elements, corresponding to respective windows, including: an antenna PCB including an antenna slot having a pullback region with the host PCB therein without directly contacting the pullback region, the window in the antenna slot, loops of conducting strips at top and bottom sides of the antenna PCB, slightly overlapping to form capacitive elements at overlap regions, a pair of input solder joints at respective input conducting strips on the top of the antenna PCB, on opposite sides of the window, a transmission feed solder joint directly between the pair of input solder joints across the window, connected to a Z0 feed line, and an RF connector receiving an antenna power supply.

The utility model discloses an inter-board welding-free radio frequency connector structure, which is characterized in that fuzz buttons are arranged in an inner conductor of a connector to serve as elastic contact pieces, so that the end face contact of the connector is of a welding-free structure, and signal conduction between the connector and a printed board is realized through external force pressing. The grounding ring is arranged between the outer conductor and the shell, and compared with a traditional mode that the shell is provided with an elastic contact piece to achieve grounding of the outer conductor, the structure saves cost, reduces assembling difficulty, and improves shielding effect at the same time. The connector structure can meet the requirements of miniaturization, low height and no welding of the whole machine, and is accurate in insertion, simple in processing and assembling, and convenient in operation.

The utility model discloses a novel radio frequency connector with long plugging service life and high reliability, comprising a pin connector and a jack connector which are in plugging cooperation, the pin connector is provided with a first center conductor and a first outer conductor sleeved outside the first center conductor; the jack connector comprises a second outer conductor, a second central conductor and a crown spring, a ring spring is sleeved and connected in one end of the second outer conductor, the second central conductor is sleeved in the second outer conductor, and an insulator is sleeved between the second central conductor and the second outer conductor. According to the utility model, the ring spring and the crown spring are adopted for contact, the plugging force can be accurately controlled, continuous and reliable connection can be ensured in the states of impact, vibration and high-speed rotation, and meanwhile, the ring spring has multiple contact points, lower contact resistance, constant plugging force, long service life and lower space requirement, and is convenient and efficient to assemble.

The invention relates to the technical field of electric connectors, in particular to a lightning protection radio frequency electric connector which comprises a radio frequency connector shell, a threaded shell and a connecting cylinder, the outer side of a radio frequency cable is fixedly welded to the left end of a first spiral wire, and the outer side of a shielding sleeve is fixedly welded to the left end of a second spiral wire. The outer side of the plug pin cylinder is electrically connected with a connecting wire, the other end of the connecting wire is welded and fixed to the welding position of the right end of the first spiral wire and the welding position of the right end of the second spiral wire, and the inner wall of the shielding sleeve and the inner wall of the right end of the outer coaxial pin assembly make contact with the first insulator in an attached mode. The inner coaxial pin assembly is communicated with an electric connecting line of an external radio frequency plug cord, the pin cylinder is communicated with a ground line of the external radio frequency plug cord, and through the arrangement, the connector device has a good lightning protection effect on radio frequency signals on the premise that the connector device is light in weight and high in electric connection reliability.

A wideband spiral antenna system for a vehicle is provided. A planar spiral antenna is fabricated on a substrate. The planar spiral antenna includes an antenna feed. A first dielectric panel is disposed adjacent to a first side of the substrate. A dielectric puck has a first puck side disposed adjacent to the antenna feed on a second side of the substrate opposing the first side of the substrate. A radio frequency (RF) connector is disposed adjacent to a second puck side of the dielectric puck. The second puck side opposes the first puck side of the dielectric puck. One or more conductive vias extend from the antenna feed through the dielectric puck to the RF connector electrically coupling the antenna feed to the RF connector.

The invention discloses a broadband circularly polarized radiator antenna based on slot gap waveguide, and relates to the technical field of waveguide slot antennae, the broadband circularly polarized radiator antenna based on slot gap waveguide is provided with a circularly polarized radiation slot structure, a slot gap waveguide transmission structure and a microstrip feed structure from top to bottom in sequence; the microstrip feed structure comprises a dielectric substrate and a radio frequency SMA connector, wherein the back surface of the dielectric substrate is coated with copper, and the front surface of the dielectric substrate is etched with a microstrip patch. The slot gap waveguide transmission structure adopts an all-metal slot gap waveguide structure, comprises periodically arranged metal pins and stepped metal ridges, and is used for transmitting electromagnetic waves; the circularly polarized radiation slot structure comprises dumbbell-shaped slots, orthogonal radiation slots and metal fins, and is used for realizing broadband circularly polarized wave radiation. The microstrip patch excitation is adopted to facilitate active high integration, and the broadband circular polarization performance, the out-of-band filtering characteristic and the good heat dissipation characteristic are achieved through the slot gap waveguide transmission structure design and the orthogonal radiation slot design.

The utility model discloses a test fixture, which comprises a base, a radio frequency microstrip line and a radio frequency connector, and is characterized in that the base is provided with a first groove, the first groove is provided with a first installation area for installing a bare chip and a second installation area, and the second installation area is arranged around the first installation area; the radio frequency microstrip line is arranged in the second mounting area, and the radio frequency microstrip line is connected with the bare chip by arranging a gold bonding wire; the radio frequency connector corresponds to the radio frequency microstrip line and penetrates through the base, and the radio frequency microstrip line is connected with the radio frequency connector. The method and the device have the advantages that the method and the device are applicable to bare chips of different types and sizes, the performance of the chips can be quickly tested, the universality and the operability are high, the design time and the processing cost are saved, and the test efficiency is greatly improved.

The present invention relates to the technical field of radio frequency connectors, and in particular to a multi-action linked radio frequency connector insulator cutting device comprising a centering mechanism, a needle feeding mechanism, a pre-installation mechanism, and a cutter mechanism; the centering mechanism comprises two movable blocks that move toward or away from each other in the horizontal direction, the movable blocks are provided with a movable clamping block, and the opposing surfaces of the two clamping blocks are respectively provided with placement grooves that are spliced ​​in half; the material taking station is pre-installed with insulators to be cut; the pre-installation mechanism comprises a conveying seat that is interconnected with the needle feeding mechanism and moves together in one horizontal direction; the needle feeding seat is provided with a pin for engaging with the insulator to be cut; the cutter mechanism comprises a blade that can move in the vertical direction, and the blade is located directly above the cutting station. The present invention realizes automatic assembly between insulators and pins through the linkage between the centering mechanism, the needle feeding mechanism, the pre-installation mechanism, and the cutter mechanism, thereby improving processing efficiency.

The present invention relates to a hybrid connector comprising connector pins and connector socket that is RF-connected, optically connected and mechanically coupled to the connector pins, wherein the connector pins include: an optical connector pin for transmitting an optical signal and an RF connector pin for transmitting an RF signal; a connector pin alignment portion for aligning the optical connector pin with the RF connector pin; and a connector pin coupling portion provided on the connector pin alignment portion, the connector socket includes: an optical connector socket optically connected to the optical connector pin and an RF connector socket RF-connected to the RF connector pin; a connector socket alignment portion for aligning the optical connector socket with the RF connector socket; and a connector socket coupling portion which is provided on the connector socket alignment portion and which can be mechanically coupled to and decoupled from the connector pin coupling portion. According to the present invention, an optical signal and an RF signal can be transmitted, and an optical connection and an RF connection can be established with a small number of components.

The utility model discloses a radio frequency connector capable of floating axially, which comprises a sheath, a terminal assembly arranged in a terminal cavity of the sheath and a cable with one end connected with the terminal assembly, and an outer conductor insert is arranged on the peripheral wall of the terminal assembly in a surrounding manner. According to the radio frequency connector provided by the utility model, the spring piece is arranged at one end, far away from the matching connector, of the outer conductor insert, and the stop piece is used for stopping the terminal assembly, so that the floating connection of the terminal assembly in the sheath terminal cavity can be realized, and when the radio frequency connector is matched and connected with the matching connector, the terminal assembly can be prevented from floating. The axial matching gap between the male end terminal and the female end terminal can be effectively eliminated, so that more stable and higher-speed signal transmission can be realized.

The invention relates to the field of radio-frequency connectors, in particular to a radio-frequency connector adapter capable of being quickly connected and positioned and a using method, and the radio-frequency connector adapter is provided with a female end shell, a connecting clamping groove, a positioning assembly, a locking sliding groove, a locking assembly, a male end shell, a male end locking pipe, a positioning block and a locking lantern ring. A female end connector is arranged in the female end shell, a male end connector is arranged in the male end locking pipe, and when the connector is used, the connecting clamping groove is matched with the positioning block, so that the axial direction is kept when the male end locking pipe is inserted, the male end connector is prevented from inclining when being in butt joint with the female end connector, and the situation that the connector is damaged due to the low inserting angle is avoided; the positioning assembly and the locking assembly are matched to enable the positioning block to be fixed in the connecting clamping groove, the male end locking pipe and the female end shell can be rapidly fixed in the connecting process, the connecting precision of the connector of the radio frequency connector is improved, the positioning precision is improved, and the effect of rapid connecting and positioning is achieved.

The invention discloses a subminiature three-coaxial differential self-locking high-temperature-resistant assembly and a connector, and relates to the technical field of radio frequency connectors, the subminiature three-coaxial differential self-locking high-temperature-resistant assembly comprises a shell, an outer shield is arranged in the shell, an outer insulator is arranged on the inner side of the outer shield, and an inner shield is arranged on the inner side of the outer insulator. According to the subminiature three-coaxial differential self-locking high-temperature-resistant assembly and the connector, efficient electromagnetic isolation is formed by the double shielding layers composed of the outer shielding layer and the inner shielding layer and the inner conductor, radio frequency leakage and signal crosstalk can be remarkably inhibited through cooperative use of the structures, the problem that a traditional double-coaxial structure is insufficient in shielding is solved, and meanwhile, the connector is high in reliability. The inner shielding layer and the outer shielding layer of the twisted pair are respectively welded with the inner shielding layer and the outer shielding layer, the continuity of the shielding effect is ensured, the connecting seat is made by sintering glass powder and is provided with a conductive silver powder sealing ring, the stability at high temperature is ensured, good grounding continuity is also provided, and the overall electromagnetic compatibility performance is further enhanced.

The utility model discloses an aerial antenna, and belongs to the technical field of antennae, and the antenna comprises an antenna housing, an antenna housing, an antenna microstrip plate, a fixed medium, an antenna cover plate, and a radio frequency connector. The antenna housing is installed in the antenna shell, the installation side of the antenna housing is provided with an installation cavity, and the antenna microstrip plate is fixed on the bottom wall of the installation cavity; the fixed medium is arranged in the mounting cavity, and the fixed end of the fixed medium abuts against the antenna microstrip plate; the antenna cover plate is arranged at the end part of the antenna shell; the radio frequency connector is installed on the antenna cover plate, and the signal input end of the radio frequency connector penetrates through the antenna cover plate and the fixed medium and then is connected to the antenna microstrip plate. The antenna solves the problem that in the prior art, the connection structure of all parts of the antenna is complex.

The utility model discloses a novel reliable terminal and a radio frequency connector, comprising a female end terminal and a male end terminal which are mutually plugged and cooperated, the female end terminal is composed of a female end housing with a cylindrical structure and an intermediate conductor member, the front end of the female end housing is provided with a female end contact hole, and the male end contact hole is provided with a male end contact hole. The middle conductor piece is integrally sleeved in a female end contact hole of the female end shell and can slide in a contact manner along the inner wall surface of the female end contact hole; and the female end terminal and the female end shell form a contact state of at least one electrical contact point and two supporting points with the male end terminal in a contact area of the female end terminal and the female end shell by virtue of a bridging effect of the middle conductor piece. According to the radio frequency connector of the structure, the terminal of a two-point supporting and multi-point contact structure is adopted, stable transmission of signals is achieved, and the structure is reliable in contact and high in stability and vibration and impact resistance.

This utility model discloses a high coaxiality radio frequency connector, including a male and a female connector. The female connector has three sets of connecting plates on its outer periphery, and the male connector has three sets of insertion slots on its outer periphery that mate with the connecting plates. A disassembly component for separating the male and female connectors is located beside the insertion slots. The female connector is inserted into the insertion slot of the male connector via the connecting plates, completing the coaxial connection between the male and female connectors. This utility model, through the cooperation between the connecting plates of the female connector and the insertion slots of the male connector, and the correspondence between the fastening protrusions and the positioning slots, makes the connection between the male and female connectors more precise, effectively preventing displacement or deformation of the inner and outer conductors caused by frequent insertion and removal, maintaining stable coaxiality, and ensuring signal transmission consistency and reliability.

The invention discloses an ultra-wideband coupler with a standing wave tuning function, which comprises a main cavity, a cavity inner cover plate, a waterproof cover plate, a radio frequency connector, a tuning rod, a main coupling rod, an auxiliary coupling rod, an absorption load, a waterproof ring and a polytetrafluoroethylene pressing strip, the auxiliary coupler is connected with the radio frequency connector and the absorption load, the polytetrafluoroethylene pressing strips are symmetrically placed on the upper and lower surfaces of the main coupling rod and the auxiliary coupling rod, so that the main coupling rod and the auxiliary coupling rod are tightly pressed on the same plane, and the tuning rod is fixed on the cover plate in the cavity, so that the tuning rod can be conveniently fixed to tune the main coupling rod and the auxiliary coupling rod in the cavity. The groove is arranged on the periphery of the main cavity structure, the waterproof ring is placed in the groove, and when the waterproof cover plate and the main cavity are fastened through the screws, the waterproof ring is pressed in the groove, so that the waterproof performance is stable, the product is ensured not to be influenced by the external environment when in use, and the service life of the product is prolonged.

The utility model discloses a dual-frequency dual-port mining directional planar antenna, which comprises a reflecting plate, a radiating unit, a filtering characteristic centimeter network shaping plate and a radio frequency connector, the radiating unit and the filtering characteristic centimeter network shaping plate are mounted on a first mounting surface of the reflecting plate, and the radio frequency connector is mounted on a second mounting surface of the reflecting plate. The radiation unit comprises a 2.4 G radiation subunit and a 5.8 G radiation subunit which are arranged up and down, the 2.4 G radiation subunit comprises a plurality of 2.4 G radiation oscillators and 2.4 G radiation guide sheets, the plurality of 2.4 G radiation oscillators are mutually coupled and connected through the 2.4 G radiation guide sheets, the 5.8 G radiation subunit comprises a plurality of 5.8 G radiation oscillators and 5.8 G radiation guide sheets, and the 2.4 G radiation oscillators and the 5.8 G radiation guide sheets are mutually coupled and connected through the 2.4 G radiation guide sheets. The plurality of 5.8 G radiation oscillators are mutually coupled and connected through the 5.8 G radiation guide sheets, and the 2.4 G radiation subunits and the 5.8 G radiation subunits are coupled and connected through the filtering characteristic centimeter network shaping plates and the corresponding radio frequency connectors. The antenna is high in transmission efficiency and stable in signal receiving and transmitting.