Abstract: A base station antenna radiator comprises: a first balun substrate, on an upper surface of which a feed line, a first C-coupling member, and a first inductive filter line connected to the first C-coupling member, and on a lower surface of which a third C-coupling member opposite to the first C-coupling member and a third inductive filter line electrically connected to the first inductive filter line through a first via hole and connected to the third C-coupling member are formed, the first balun substrate being placed perpendicular to a reflector; a second balun substrate coupled orthogonally to the first balun substrate, and on which a metal pattern substantially identical to that of the first balun substrate is formed; and a radiating substrate disposed above the first and second balun substrates, placed parallel to the reflector, and on an upper surface of which at least one radiating patch is formed.

Abstract: A base station antenna is disclosed. The disclosed antenna includes: a reflector plate made of a metal material; a multiple number of radiators formed on the reflector plate and forming one or more arrays; and conductive rods positioned on both sides of each of the radiators, where the conductive rods are formed in parallel with the arrays formed by the radiators.

Abstract: A base station antenna is disclosed. The disclosed antenna includes: a reflector plate made of a metal material; a multiple number of radiators formed on the reflector plate and forming one or more arrays; and conductive rods positioned on both sides of each of the radiators, where the conductive rods are formed in parallel with the arrays formed by the radiators.

Abstract: A base station antenna is disclosed. The disclosed antenna includes: a reflector plate made of a metal material; a multiple number of radiators formed on the reflector plate and forming one or more arrays; and conductive rods positioned on both sides of each of the radiators, where the conductive rods are formed in parallel with the arrays formed by the radiators.

Abstract: A multi-array antenna having superior electrical properties is disclosed. The multi-array antenna includes a reflector plate; first radiators arranged over a surface of the reflector plate and configured to form a first beam; and second radiators arranged over a surface of the reflector plate and configured to form a second beam. Here, one of the first radiators and one of the second radiators are arranged in an imaginary first line along a lengthwise direction of the reflector plate, another one of the first radiators and another one of the second radiators are arranged in an imaginary second line, the first radiator arranged in the first line and the first radiator arranged in the second line are positioned in a diagonal direction, and the second radiator arranged in the first line and the second radiator arranged in the second line are positioned in a diagonal direction.

Abstract: A multi-array antenna having superior electrical properties is disclosed. The multi-array antenna includes a reflector plate; first radiators arranged over a surface of the reflector plate and configured to form a first beam; and second radiators arranged over a surface of the reflector plate and configured to form a second beam. Here, one of the first radiators and one of the second radiators are arranged in an imaginary first line along a lengthwise direction of the reflector plate, another one of the first radiators and another one of the second radiators are arranged in an imaginary second line, the first radiator arranged in the first line and the first radiator arranged in the second line are positioned in a diagonal direction, and the second radiator arranged in the first line and the second radiator arranged in the second line are positioned in a diagonal direction.

Abstract: Disclosed is a phase shifter having a power dividing function. The phase shifter includes: an input port for receiving a radio frequency (RF) signal; a power dividing unit for dividing the RF signal into a first divided signal of which phase is to be varied and a second divided signal having a fixed phase value; a first output port for outputting the second divided signal having the fixed phase value; a phase shift unit for dividing the first divided signal into a third divided signal and a fourth divided signal wherein the third divided signal and the fourth divided signal move in opposite directions; a phase delay unit for shifting phase of the third divided signal and the fourth divided signal based on a difference in a path length of the third divided signal and the fourth divided signal, to thereby generate phase-shifted signals; and at least two second output ports connected to the phase delay unit, for outputting the phase-shifted signals.

Abstract: Disclosed is a phase shifter having a power dividing function. The phase shifter includes: an input port for receiving a radio frequency (RF) signal; a power dividing unit for dividing the RF signal into a first divided signal of which phase is to be varied and a second divided signal having a fixed phase value; a first output port for outputting the second divided signal having the fixed phase value; a phase shift unit for dividing the first divided signal into a third divided signal and a fourth divided signal wherein the third divided signal and the fourth divided signal move in opposite directions; a phase delay unit for shifting phase of the third divided signal and the fourth divided signal based on a difference in a path length of the third divided signal and the fourth divided signal, to thereby generate phase-shifted signals; and at least two second output ports connected to the phase delay unit, for outputting the phase-shifted signals.