An electronic device is provided. The electronic device including a housing comprising a front plate which faces a first direction, a back plate which faces a second direction opposite from the first direction, and a lateral member which surrounds a space between the front plate and the back plate and has at least one part formed from a metal material, a display seen through a first part of the front plate, an antenna module positioned inside the space, and a wireless communication circuit. The antenna module includes a first surface facing a third direction forming an acute angle with the second direction, a second surface facing a fourth direction opposite from the third direction, at least one first conductive element disposed on the first surface or inside the antenna module so as to face the third direction, and at least one second conductive element which is adjacent to the lateral member between the first surface and the second surface and extends in a fifth direction different from the third direction and the fourth direction and facing between the lateral surface and the first part of the front plate.

An antenna system comprises a transmission member and an antenna at a distal end of the transmission member. The antenna includes a first conductive arm, an insulator extending around the first conductive arm, and a second conductive arm wound around at least a first portion of the insulator to form a second conductive arm coil. A property of the insulator varies along an insulator longitudinal axis of the insulator. The insulator includes a set of formed patterns along at least a portion of the insulator longitudinal axis.

An antenna assembly has a dielectric substrate. A plurality of end fire antennas in a Yagi-Uda configuration is positioned around edges of the dielectric substrate.

A dual band frequency selective radiator array includes a high band radiator array disposed on a dielectric layer for transmitting and receiving high band radar signals; a low band radiator array disposed on a front side of the high band radiator array for transmitting and receiving low band radar signals; a frequency selective surface (FSS) tuned to the high band radar signals forming a surface of the low band radiator array and passes the high band radar signals to the high band radiator array; and a single aperture disposed in front of the low band radiator array, the high band radiator array and the FSS for both the low band radiator array and the high band radiator array for transmitting and receiving the radar signals.

Radiating elements include a first and second dipole arms that extend along a first axis and that are configured to transmit RF signals in a first frequency band. The first dipole arm is configured to be more transparent to RF signals in a second frequency band than it is to RF signals in a third frequency band, and the second dipole arm is configured to be more transparent to RF signals in the third frequency band than it is to RF signals in the second frequency band. Related base station antennas are also provided.

An antenna element transfers a radiofrequency signal and dissipates heat. The antenna element includes a periphery and first and second pairs of fins. The periphery has a length and a width with the length approximately equaling the width. The first and second pairs of fins extend in height from inside the periphery. The first pair of fins are separated by a shared gap for transferring a first polarization of the radiofrequency signal, and the second pair of fins are separated by the shared gap for transferring a second polarization of the radiofrequency signal that is orthogonal to the first polarization. An antenna array includes multiple instances of the antenna element for transferring the radiofrequency signal and for dissipating the heat.

Aspects of the subject disclosure may include, for example, a polarization shifter including a lower substrate having disposed thereon first and second transmission lines for coupling to a feed network, an upper substrate having disposed thereon third and fourth transmission lines for respective communicative coupling to orthogonally-polarized elements of a radiating element, and a dielectric layer residing between the lower substrate and the upper substrate, the upper substrate being configured to mechanically couple to the radiating element, the dielectric layer coupling the first transmission line with the third transmission line and coupling the second transmission line with the fourth transmission line, the upper substrate being rotatable relative to the lower substrate to effect polarization adjusting for the radiating element to facilitate avoidance of interference or passive intermodulation (PIM). Other embodiments are disclosed.

Aspects of the subject disclosure may include, for example, a motorized drive assembly that includes a motor and a drive assembly, where the drive assembly has an axle configured to be disposed through a rotatable substrate of a polarization shifter for a dual-polarized radiating element, the axle being further configured to fasten, at a first end of the axle, to a support structure of the polarization shifter, wherein, when the motorized drive assembly is assembled to the polarization shifter, the motor is controllable to impart rotational forces, via movement of the axle, to the polarization shifter to effect polarization adjusting for the dual-polarized radiating element. Other embodiments are disclosed.

A dual-polarized radiating element for abase station antenna includes a first dipole radiator that comprises a first dipole arm and a third dipole arm and a second dipole radiator that comprises a second dipole arm and a fourth dipole arm. The radiating element further includes a first inductor that is coupled between the first dipole arm and the second dipole arm.

An antenna includes a ground layer, two polarization signal feeding terminals disposed on the ground layer, two polarization structures, four coupling metals and four radiating metals. The first polarization structure includes a first extending portion electrically connected to the first polarization signal feeding terminal and extends from a first channel to a second channel in a first direction over the ground layer. The second polarization structure includes a second extending portion electrically connected to the second polarization signal feeding terminal and extends from a third channel to a fourth channel in second direction over the ground layer, wherein the first extending portion crosses the second extending portion in a non-contact manner to define four regions. The four coupling metals are disposed on the first through the fourth regions, respectively. The four radiating metals are disposed on the first through the fourth channels, respectively.