Abstract: An antenna with a feed cable support member comprises a first conductor, a pivotal shaft, a second conductor and a feed cable. The first and second conductors respectively connect with two sides of the pivotal shaft. The pivotal shaft enables the first and second conductors to open or close by 0-180 degrees. The support member is connected with one end of the pivotal shaft and disposed inside the slot between the first and second conductors. The feed cable has a high frequency signal feeding terminal fixed to the surface of the support member. Based on the principle of an aperture coupled antenna, the present invention adds the support member into the slot, whereby the high frequency signal feeding terminal can be directly fixed to the surface of the support member, and whereby the operating frequency and impedance matching can be fine tuned via the support member.

Abstract: A one-wavelength loop antenna includes a looped antenna element having a length equivalent to one wavelength related to communication; and a feeding cable for feeding current to a feeding point on the antenna element, wherein an inner conductor is disposed inside an outer conductor in a section between the feeding point and an extraction position of the feeding cable distanced from the feeding point by ? wavelength or more, at least one of the outer and inner conductors functioning as the feeding cable.

Abstract: This disclosure provides a wideband antenna including a feed line, a ground conductor plate and a radiating conductor element connected to the feed line and facing the ground conductor plate at a distance from the ground conductor plate. A parasitic conductor element is provided on a side opposite to the ground conductor plate as viewed from the radiating conductor plate and is insulated from these plates. A coupling adjusting conductor plate is positioned between the radiating conductor element and the parasitic conductor element, is configured to adjust an amount of coupling between them, overlaps an area where the radiating conductor element and the parasitic conductor element overlap, and straddles the radiating conductor element in a direction orthogonal to the direction of a current I that flows therein. Both end sides of the coupling adjusting conductor plate are electrically connected to the ground conductor plate via via-holes.

Abstract: The present invention overcomes the above-described and other problems by providing an improved edge-fed microstrip patch antenna, a dielectric substrate with integrated ground plane and enclosure that with a printable surface. An RFID microstrip patch antenna (21) system produces an antenna that is significantly less expensive to manufacture and install than existing commercial solutions. In doing so, the present invention enables the use of commodity, low cost products such as corrugated paperboard foils and extruded polystyrene and assembly methods such as graphics printing.

Abstract: A dual mode rotary joint as described herein can be utilized in an electromagnetic communication system such as a radar system. The dual mode rotary joint can be used to rotatably couple an antenna architecture to its mounting structure. One embodiment of the dual mode joint includes a waveguide configured to propagate radio frequency (RF) signals, and endcaps coupled to the ends of the waveguide. Each endcap is reflective for RF signals and transmissive for optical signals.

Abstract: The antenna includes a first ground plate, a first dielectric substrate formed on the first ground plate, a transmission line made of a conductive material formed on the first dielectric substrate, and a plurality of antenna elements electromagnetically coupled to the transmission line. The transmission line is constituted of at least one first line serving as a resonator having a resonator length equal to (2n?1)/2 times (n being a positive integer) a guide wavelength of the transmission line and a plurality of second lines each having an electrical length longer than half the guide wavelength, the first and second lines being disposed alternately at predetermined intervals. Each of the antenna elements is electromagnetically coupled to a corresponding one of the second lines.

Abstract: An antenna arrangement apparatus (162) comprises a reception antenna (204, 210), a common-mode filter (188), and a length of separating cable (170) coupled to the reception antenna (204, 210). The length of separating cable (170) has a proximal end (180) with respect to the reception antenna (204, 210). The proximal end (180) is coupled to the reception antenna (204, 210) via the common-mode filter (188), thereby distancing, when in use, the reception antenna (204, 210) from a source of electromagnetic interference.

Abstract: An antenna for receiving and transmitting radio signals includes a ground metal plate, a first patch plate, a second patch plate, a first feed-in wire electrically connected to the first patch plate for transmitting radio signals, a second feed-in wire electrically connected to the second patch plate for transmitting radio signals, and an insulation fixing unit for fixing the ground metal plate, the first patch plate and the second patch plate, to ensure that the ground metal plate, the first patch plate and the second patch plate do not electrically contact to each other.

Abstract: What is disclosed is a surface wave antenna configured to install on an electrically conductive structure. The surface wave antenna includes a first portion comprising a conductive element and an attachment element, and a second portion comprising a conductive element and an attachment element. The conductive element of the first portion and the conductive element of the second portion are configured to each form a conductive longitudinal portion of a horn receive element, and the attachment elements are configured to conductively couple the conductive elements together to form the horn receive element. The surface wave antenna also includes a dipole element comprising a first transmit element and a second transmit element. The surface wave antenna also includes a mounting element comprising a first dielectric mount and a second dielectric mount.

Abstract: A microwave antenna assembly is disclosed. The antenna assembly includes a feedline having an inner conductor, an outer conductor and an inner insulator disposed therebetween. A radiating portion is also included having an unbalanced dipole antenna including a proximal portion and a distal portion that are of different lengths. The proximal portion includes at least a portion of the inner conductor and the inner insulator and the distal portion includes a conductive member.

Abstract: A dielectrically-loaded helical antenna has a cylindrical ceramic core bearing metallised helical antenna elements which are coupled to a coaxial feeder structure passing axially through the core. Secured to the end face of the core is an impedance matching section in the form of a laminate board. The matching section embodies a shunt capacitance and a series inductance.

Abstract: There is provided a wireless communication module structured by integrally united forming on a film-like flexible board, a transmitting-receiving antenna section for transmitting and receiving RF signals (high frequency signals), a transmission line section for transmitting the RF signals, and a high frequency circuit section, wherein the film-like flexible board has a plurality of seamless conductor layers formed thereon, and dielectric constants of insulating layers formed between a plurality of the seamless conductor layers or in the vicinity thereof are different between in an area of the transmitting-receiving antenna section and in an area of the transmission line section and the high frequency circuit section.

Abstract: A dielectrically-loaded helical antenna has a cylindrical ceramic core bearing metallised helical antenna elements which are coupled to a coaxial feeder structure passing axially through the core. Secured to the end face of the core is an impedance matching section in the form of a laminate board. The matching section embodies a shunt capacitance and a series inductance.

Abstract: A multi-secured RFID (Radio Frequency Identification) electronic seal includes a bolt, a bolt pedestal and a RFID system. The bolt has a male bolt portion with an electrical connecting point. The bolt pedestal has a female pedestal portion with several nodes to electrically connect with the electrical connecting point to provide plural selections of connecting and disconnecting. The RFID system includes a RFID chip and a transmission conductor embedded in the bolt, and an antenna installed on the bolt pedestal. When the bolt and the bolt pedestal is securely locked together, whether the RFID chip is electrically connects to the antenna depends on if the electrical connecting point connects a preset node, so that a RFID signal may be selectively transmitted by the RFID chip through the antenna.

Abstract: The invention relates to a direct-current blocking circuit, and a hybrid circuit device, a transmitter, a receiver, a transmitter-receiver and a radar device that have the direct-current blocking circuit. A dielectric substrate (2) is provided with a conductor layer (3) disposed parallel with the dielectric substrate (2), first and second planar lines (4, 5) each containing a part of the conductor layer (3), and a waveguide (6) containing a part of the conductor layer (3). The first and second planar lines (4, 5) are located on one surface (2a) side of the dielectric substrate (2) with respect to the conductor layer (3), and the waveguide (6) is located on another surface (2b) side of the dielectric substrate (2). In a transmission direction (X) of electric signals, as to the waveguide (6), its one end overlaps with one end of the first planar line (4), and its another end overlaps with one end of the second planar line (5).

Abstract: An antenna which reduces the number of end faces and perpendicular corners, and suffers from little deterioration of performance even if used for high frequency transmission/reception, in particular a microstrip patch antenna which is comprised of a dielectric substrate on the bottom surface of which a conductive ground plate is formed and on the top surface of which a patch antenna part formed by a conductor and a feeder circuit connected to the same are provided, wherein the feeder circuit is connected to the antenna part while offset by exactly a predetermined distance to either end side from a center of one side of said antennas part to which said feeder circuit is to be connected so that a transmission loss of the antenna becomes a predetermined value or less. The predetermined distance can be made 20 to 70% of the longitudinal side of the patch antenna part.

Abstract: This disclosure provides an antenna having a high degree of design flexibility. In a representative embodiment, the antenna includes a ground conductor to which a ground potential is applied, a linear conductor that transmits a high-frequency signal, an insulating layer configured to isolate the ground conductor and the linear conductor from each other, and a radiation conductor that is connected between the linear conductor and the ground conductor. The radiation conductor has a line width larger than that of the linear conductor between a point of connection to the linear conductor and a point of connection to the ground conductor, and is configured to emit an electric field.

Abstract: There is provided an antenna that enables easy soldering of an external conductor of a coaxial cable to a ground pattern. An antenna device 10 capable of transmitting and receiving a radio wave includes a coaxial cable 20 having a center conductor 22 and an external conductor 21 and an antenna element 30. The antenna element 30 has an antenna pattern 32 and a ground pattern 34. The center conductor 22 is soldered to a first solder portion 324 of the antenna pattern 32, and the external conductor 21 is soldered to a second solder portion 344 of the ground pattern 34 by means of solder 52. The ground pattern 34 has an opening 34a defining the second solder portion 344. The second solder portion 344 is provided between the first solder portion 324 and the opening 34a.

Abstract: In accordance with an embodiment, a radio frequency transition system includes a stripline trace section with openings in ground planes and forms a quarter wavelength resonator and an electromagnetic mechanism to couple the RF energy from the stripline trace section to a connector, wherein the RF signal energy is transferred from inside a beam forming network printed wiring board to an a back side of a phased array antenna system with minimal RF losses. An RF transition system is disclosed. The RF transition system comprises a stripline trace section with openings in ground planes and forms a quarter-wavelength resonator. The RF transition system further includes an electromagnetic mechanism to couple the RF energy from the stripline trace section to a connector. The RF signal energy is transferred from inside a beam forming network printed wiring board to an a back side of a phased array antenna system with minimal RF losses.

Abstract: A multi-band antenna includes a dielectric substrate, and a main antenna member and a metal piece disposed on the dielectric substrate. The main antenna member includes a feed-in portion for feeding with a radio frequency signal, a first conductor arm connected to the feed-in portion and adjacent to a first side edge of the dielectric substrate, a second conductor arm connected to the feed-in portion and having a length shorter than that of the first conductor arm, a third conductor arm connected to the feed-in portion, a fourth conductor arm extending along the third conductor arm, and a grounding portion adjacent to the feed-in portion. The metal piece is disposed at the first side edge and connected to the fourth conductor arm, resonates and couples with the first conductor arm to form a first radiator section, and cooperates with the fourth conductor arm to form a second radiator section.

Abstract: In one embodiment, an integrated circuit antenna array includes: a substrate, a plurality of antennas adjacent the substrate; and an RF network adjacent the substrate, the RF feed network coupling to a distributed plurality of amplifiers integrated with the substrate, wherein the RF feed network and the distributed plurality of amplifiers are configured to form a resonant network such that if a timing signal is injected into an input port of the RF network, the resonant network oscillates to provide a globally synchronized RF signal to each of the antennas.

Abstract: This disclosure provides a waveguide converter, which includes a first waveguide for propagating an electromagnetic wave, a second waveguide for being inputted the electromagnetic wave from the first waveguide and propagating the electromagnetic wave in a direction different from the propagating direction of the electromagnetic wave in the first waveguide, and an elongated-plate-shaped inner conductor arranged between the first waveguide and the second waveguide so that end portions of the inner conductor are exposed to the inside of the first waveguide and the second waveguide, respectively.

Abstract: A multi-input and multi-output antenna system is disclosed. The antenna system includes a predetermined quantity of dual-feed and dual-band antennas that are arranged into a polygon on a plane. The dual-feed and dual-band antenna includes a substrate, a grounding unit disposed on the substrate and having two opposite sides, a first radiating unit disposed on the substrate near one side of the grounding unit, and a second radiating unit disposed on the substrate near the other side. The second radiating unit has a shorting element that is electrically connected to the grounding unit. The polygon is bounded by lengthwise projection lines of the dual-feed and dual-band antennas.

Abstract: The present invention relates to an antenna device whereby there can be provided an antenna device which can receive broadcast waves with a sufficiently wide frequency band and sufficient gain just by connecting wire material even if used bundled without complicated efforts, and can obtain suitable reception sensitivity. This antenna device includes a power supply cord 20 which can transmit power, a connecting portion 50, a high-frequency signal cable 30 for extracting a high-frequency signal from the connecting portion 50, and a high-frequency blocking portion 40 disposed in two places in the length direction of the power supply cord 20, and with the power supply cord 20, a portion between the two high-frequency blocking portions is connected to the connecting portion 50 to form an antenna, and the high-frequency signal cable 30 is connected to a portion of the power supply cord 20 at the connecting portion 50.

Abstract: A millimeter-wave communication system includes (i) an antenna comprising a reflector and a feed, the feed comprising a first waveguide, (ii) a Printed Circuit Board (PCB) comprising a modem, a processor, and a radio receiver coupled with a probe, the PCB is mechanically fixed to one end of the feed, such that the PCB is mechanically held by the feed, and the probe is located in a position allowing reception of millimeter-waves exiting the first waveguide towards the PCB, (iii) an Ethernet connector, (iv) at least one flexible cable operative to carry Ethernet signals between the first PCB and the Ethernet connector, and (v) a box housing the PCB and the Ethernet connector. The Ethernet connector and the feed are mechanically fixed to the box, and the only mechanical connection between the PCB and the box is via the feed.

Abstract: A structural body of the invention includes a first conductor plane (1), a plurality of second conductor planes (4) of which at least a portion is provided facing the first conductor plane (1), and a transmission line (6), having an open end, which is disposed between the first conductor plane (1) and the second conductor plane (4), electrically connected to any one conductor plane of the first conductor plane (1) or the second conductor plane (4) through a conductor connection portion (5) and provided facing the other conductor plane. A unit structure including at least the second conductor plane (4), the transmission line (6), and the conductor connection portion (5) is repeatedly disposed.

Abstract: A circuit board is provided. The circuit board includes a substrate, a waveguide line and a laminated waveguide. The waveguide line is at least partially positioned on a first surface of the substrate. The waveguide line transmits a high frequency signal. The laminated waveguide is formed inside the substrate. The laminated waveguide is electromagnetically coupled to the waveguide line, and has a lead-out portion led out from inside the substrate to a surface other than the first surface. The laminated waveguide includes a dielectric layer, a pair of main conductive layers and a through conductor group. The pair of main conductive layers sandwiches the dielectric layer in a thickness direction thereof. In the through conductor group, a plurality of through conductors are arranged along a high frequency signal transmitting direction. The plurality of through conductors electrically connect the pair of main conductive layers.

Abstract: A meta-material (110) is constituted by a conductor plane (103) on the lower side, a conductor (102) on the upper side, a repeated (for example, periodic) array of conductor strips (104), and conductor posts (105) which electrically connect each of the conductor strips (104) and the conductor plane (103) on the lower side. A power feed line (106) is connected to the conductor (102). Openings may be repeatedly provided in the conductor plane (103) on the lower side. In this case, an island-shaped electrode is provided within the opening, and the conductor post (105) is connected to the conductor plane (103) through the island-shaped electrode.

Abstract: A wireless device having an antenna structure incorporates a conductive structure to extend an effective length of at least one component of the antenna structure. The enhanced 3-D conductive structure is applicable to a variety of antenna types, including, but not limited to, a CRLH structured antenna.

Abstract: A multi-band antenna includes a connecting conductor, first and second conducting arms, and a loop conductor. The connecting conductor has a feed-in end and a connecting end. The first conducting arm is connected to the connecting end of the connecting conductor. The second connecting arm is connected to the connecting end of the connecting conductor and is substantially perpendicular to the first connecting arm. The loop conductor has first and second radiator sections, each adjacent and substantially parallel to a respective one of the first and second conducting arms. The loop conductor forms a substantially L-shaped gap with the first and second conducting arms, further has a grounding end adjacent to the feed-in end, and extends from the grounding end to the feed-in end.

Abstract: A shipping container has a passive radio antenna element having internal and external antennas. A connector spanning the wall joins the two antennas. An internal communications device is disposed within the container and an external communications device is disposed external to the container. Another shipping container has a repeater element having internal and external antennas. A repeater unit spans the wall joining the two antennas. A communications device is disposed within the container and another communications device is disposed externally. RF signals are re-radiated by the antennas. Methodology includes emitting RF signals from a communication device disposed at a first location, receiving the signals through an antenna comprised by an antenna element, and re-radiating the signal from a second antenna comprised by the element, where the element spans the wall of a shipping container. The re-radiated signal is received by a second communications device disposed at a second location.

Abstract: A communications structure may include a ground plane, a ground conductor electrically coupled to the ground plane and extending from the ground plane, and a feed conductor. A first antenna branch may be electrically coupled to the ground conductor, with an electrical coupling between the first antenna branch and the ground conductor being spaced apart from an electrical coupling between the ground plane and the ground connector. A second antenna branch may be electrically coupled to the feed conductor, with the first and second antenna branches being spaced apart. In addition, a radio frequency (RF) transmitter and/or receiver may be provided with the ground plane and the feed conductor being electrically coupled to the RF transmitter and/or receiver.

Abstract: In order to improve a cable, comprising an inner cable body, in which at least one conductor strand of an optical and/or electrical conductor runs in the longitudinal direction of the cable, an outer cable sheath, enclosing the inner cable body and lying between an outer sheath surface of the cable and the inner cable body, and at least one information carrier unit, disposed within the outer sheath surface of the cable such that the cable also comprises a shielding, the invention proposes that the information carrier unit having an antenna unit lying in an antenna surface running approximately parallel to the longitudinal direction of the cable, by the antenna surface running at a distance from an electrical shielding of the cable and by providing, between the antenna surface and the shielding, a spacing layer, in which the electromagnetic field that couples to the antenna unit and passes through the antenna surface can extend between the antenna unit and the shielding.

Abstract: A radio communication apparatus including: (a) a backfire dielectrically loaded antenna for operation at a frequency in excess of 200 MHz comprising: an electrically insulative dielectric core of a solid material having a relative dielectric constant greater than 5 and having an outer surface including oppositely directed distal and proximal surface portions extending transversely of an axis of the antenna and a side surface portion extending between the transversely extending surface portions, the core outer surface defining an interior volume the major part of which is occupied by the solid material of the core; a three-dimensional antenna element structure including at least one pair of elongate conductive antenna elements disposed on or adjacent the side surface portion of the core and extending from the distal core surface portion towards the proximal core surface portion; a feed structure in the form of an axially extending elongate laminate board comprising at least a transmission line section acting a

Abstract: Shielding of high-frequency circuits is achieved using a simple and inexpensive configuration not using any lid. A high-frequency circuit mounting substrate (20) is disposed, on an underside surface layer of which are disposed high-frequency circuits (21 and 22) and is formed a first grounding conductor that has same electric potential as grounding conductors of the high-frequency circuits and that surrounds the high-frequency circuits. A mother control substrate (3) is disposed, on which the high-frequency circuit mounting substrate (20) is mounted in such a way that the high-frequency circuits are sandwiched therebetween and on which a second grounding conductor is formed in a region facing the high-frequency circuits. Plural first lands are formed on the first grounding conductor of the high-frequency circuit mounting substrate (20) to surround the high-frequency circuits.

Abstract: An amplified antenna includes an antenna element configured to receive over-the-air television broadcast signals and an amplification circuit for amplifying those received signals. The amplified signal is transmitted via an RF output terminal through an RF cable to a second device that is compatible with smart antenna technology as prescribed by the EIC-909 standard, Antenna Control Interface. The amplified antenna further includes an EIC-909 type jack, into which one end of a modular connector cable conforming to the EIC-909 standard is connected. The opposite end of the modular connector cable is connected to the EIC-909 interface jack of the second device. The amplified antenna can then draw electrical power from the smart antenna control module of the second device through the modular connector cable to drive the amplification circuit.

Abstract: The present invention is related to a shorted monopole antenna. The antenna includes a ground portion, a radiating portion, a shorting portion, an assembling portion, and a coaxial cable. The ground portion includes a signal grounding point. The radiating portion is located above the ground portion and bent at least once, and includes a signal feeding point. One end of the shorting portion is connected to one of the short edges of the ground portion, and the other end is connected to one edge portion of the radiating portion. The assembling portion is connected to the long edge of the ground portion. The coaxial cable includes an inner conductor and an outer conductor, which are connected to the signal feeding point and the signal grounding point respectively. The antenna invented has good impedance bandwidth and radiation characteristics, can easily be installed inside the housing of an electronic device, and is well suitable for applications in wireless communications devices.

Abstract: A dual function composite system includes a first electronic subsystem, a second electronic subsystem, and a composite member between the first and second electronic subsystems. The composite member includes plies of fabric, and resin impregnating the plies of fabric. At least one ply of the fabric includes signal transmission elements integrated therewith and interconnecting the first electronic subsystem with the second electronic subsystem.

Abstract: It is possible to obtain a wide-band feeder circuit a lower conductive plate provided substantially in parallel to an upper conductive plate, a short-circuit portion provided in a concave manner at a central portion of the lower conductive plate, and a countersunk portion provided in a convex manner at a central portion of a short-circuit plate forming a bottom of the short-circuit portion. It is also possible to obtain an antenna including such a wide-band feeder circuit.

Abstract: An antenna apparatus includes a coaxial cable body configured by covering the peripheral portion of a core forming the power feed line with a first coating dielectric unit, a ground line and a second coating dielectric unit in that order, a main antenna element in which the core either singly or in combination with the first coating dielectric unit projects and extends from the distal end of the coaxial cable body, and an impedance adjustment element in which the ground line projects singly from the distal end of the coaxial cable body, and the impedance adjustment element maintains an orientation extending in a direction that differs from the extension direction of the main antenna element and is fixed to the distal end of the coaxial cable body.

Abstract: A high-gain omnidirectional antenna module includes a base, an RF power amplifier, an omnidirectional antenna, a first signal line, and a second signal line. The base has a first surface and a second surface. The first signal line delivers a signal fed from outside to an input port of the RF power amplifier, and the second signal line connects an output port of the RF power amplifier and a feed portion of the antenna. The signal is amplified by the RF power amplifier, and thus the gain of the omnidirectional antenna is increased significantly. Therefore, the high-gain omnidirectional antenna effectively increases the transmission distance without increasing the size of the omnidirectional antenna.

Abstract: A compact millimeter-wave transmitter and receiver make use of interconnections within a chip-containing package for providing an integrated antenna. Due to shorter wavelength of millimeter-waves, these interconnections can be used as antennas for radiation of electromagnetic waves. A dielectric cover or lens is provided within the package to increase the antenna's directivity and to provide a mechanical shield for the chip.

Abstract: An antenna feeding network, including at least one antenna feeding line, each antenna feeding line comprising a coaxial line having a central inner conductor and a surrounding outer conductor. Present invention is characterized in that the outer conductor (4) is made of an elongated tubular compartment (5) having an elongated opening (6) along one side of the compartment (5), and that the inner conductor (3) is suspended within the tubular compartment (5) by means of dielectric support means (7).

Abstract: A system providing RF signals to an RF enabled device is described. In some aspects, a connector configured to convey RF signal is provided with a security tether. In other aspects, a connector may be attached to a cradle or display case where the RF enabled device is separately disposed. The connector may provide the RF signal to the RF enabled device via electromagnetic coupling and/or through an external RF antenna coupling.

Abstract: Provided is an information communication device, including an enclosure, and an antenna disposed in the enclosure so that at least one surface of a radiation plate is oblique with respect to a bottom surface of the enclosure, the antenna having a feeding point located on the surface that is oblique with respect to the bottom surface.

Abstract: A one-wavelength loop antenna includes a looped antenna element having a length equivalent to one wavelength related to communication; and a feeding cable for feeding current to a feeding point on the antenna element, wherein an inner conductor is disposed inside an outer conductor in a section between the feeding point and an extraction position of the feeding cable distanced from the feeding point by ? wavelength or more, at least one of the outer and inner conductors functioning as the feeding cable.

Abstract: An antenna device includes: a shielded cable having a first connection portion on one end side and a second connection portion on the other end side; and an antenna element which is connected to the second connection portion of the shielded cable, wherein the shielded cable includes an inner conductor, a first insulator, a first outer conductor, a second insulator, and a second outer conductor, which are coaxially disposed in this order from an inner side, and is covered at its outer circumference by an insulation sheath, the first connection portion of the shielded cable is formed such that the inner conductor is supplied with power and the first outer conductor is connected to a ground, and in the second connection portion of the shielded cable, the first outer conductor is connected to the antenna element, and the inner conductor is connected to the second outer conductor.

Abstract: An antenna device includes an antenna substrate and a feed line substrate. The antenna substrate includes subarray antennas, feeding interfaces and a back surface. The subarray antennas are arranged parallel with an interval on a plane. Each subarray antenna includes antenna elements and first feed lines. The first feed lines feed signals from the feeding interface on back surface to the antenna elements. The feed line substrate is attached along back surface and includes second feed lines, first and second mode transformers. Each second feed line has one and other ends portions. Other end portion has wider width than one end portion. Each first mode transformer is located in one end portion and connected to the feeding interface. Each second mode transformer is located in other end portion. One end portions are arranged in a line with interval, and other end portions are alternately arranged across one end portions.

Abstract: Antenna arrangement for a multi-radiator base station antenna, the antenna having a feeding network based on air filled coaxial lines (1, 2, 3), wherein each coaxial line comprises an outer conductor (8) and an inner conductor (4, 5, 6), wherein an adjustable differential phase shifter including a dielectric part (9) is arranged in the antenna and said dielectric part being movable longitudinally in relation to at least one coaxial line (1, 2, 3).

Abstract: A method of receiving signals transmitted through a voltage carrying power line using an antenna module including the steps of: positioning a housing of the antenna module proximate to the voltage carrying power line such that an antenna being supported in the housing is oriented at an angle with respect to the voltage carrying power line, and receiving a signal via the antenna from the voltage carrying power line.