A bowtie antenna arrangement (130;140;160;170) comprising at least two bowtie structures, each comprising bowtie arm sections (2D 1,2D 2,2D 3;2E 1,2E 2,2E 3,2E 4;742,742',742,742';842,...842), each bowtie arm section having an end portion (2A',2A') facing an end portion of another bowtie arm section to form a respective pair of facing bowtie end portions, the bowtie arm sections being made of an electrically conducting material, a base portion (1D;1E;71;81) comprising a conducting ground plane or a conducting plane of a Printed Circuit Board, the at least two bowtie structures being connectable to a feeding arrangement, wherein each bowtie arm section (2D 1,2D 2,2D 3;2E 1,2E 2,2E 3,2E 4;742,742',742,742';842,...,842) is planar and is made of a sheet or plate element, e.g. comprises a metal sheet, the bowtie arm sections (2D 1,2D 2,2D 3;2E 1,2E 2,2E 3,2E 4;742,742',742,742';842,...,842) are arranged in a bowtie arm section plane located in parallel with, and at a first distance from a first side of the base portion (1D;1E;71;81), the arrangement further comprises feeding ports on a second side of the base portion (1D;1E;71;81), wherein each bowtie arm structure is connected to one of the feeding ports, wherein, in parallel with, and at a second distance from the bowtie arm section plane, a capping arrangement (4D 1,4D 2;4E 1,4E 2,4E 3,4E 4;4G,4G,4G,4G;4H,..,4H) is provided in a cap plane located on a side of the bowtie arm section plane opposite to the side at which the base portion (1D;1E;71;81) is located, said capping arrangement (4D 1,4D 2;4E 1,4E 2,4E 3,4E 4;4G,4G,4G,4G;4H,...,4H) comprising two or more conducting, e.g. metal, caps, wherein a respective cap is located above each pair of facing bowtie end portions (2A',2A') of the bowtie structures in a substantially symmetric or centralized manner with respect to the bowtie end portions above which the respective cap is located, and wherein at least one bowtie arm section (2D 1,D 2,2D 3;2E 1,2E 1,2E 1,2E 1;742,742',742,742';842,...,842) is reused for, and forms part of, more than one of the at least two bowtie structures, and wherein the end portions of each bowtie arm section forming part of two bowtie structures are substantially perpendicularly located with respect to one another. wherein each bowtie arm section (2D 1,2D 2,2D 3;2E 1,2E 2,2E 3,2E 4;742,742',742,742';842,...,842) is planar and is made of a sheet or plate element, e.g. comprises a metal sheet, the bowtie arm sections (2D 1,2D 2,2D 3;2E 1,2E 2,2E 3,2E 4;742,742',742,742';842,...,842) are arranged in a bowtie arm section plane located in parallel with, and at a first distance from a first side of the base portion (1D;1E;71;81), the arrangement further comprises feeding ports on a second side of the base portion (1D;1E;71;81), wherein each bowtie arm structure is connected to one of the feeding ports, wherein, in parallel with, and at a second distance from the bowtie arm section plane, a capping arrangement (4D 1,4D 2;4E 1,4E 2,4E 3,4E 4;4G,4G,4G,4G;4H,..,4H) is provided in a cap plane located on a side of the bowtie arm section plane opposite to the side at which the base portion (1D;1E;71;81) is located, said capping arrangement (4D 1,4D 2;4E 1,4E 2,4E 3,4E 4;4G,4G,4G,4G;4H,...,4H) comprising two or more conducting, e.g. metal, caps, wherein a respective cap is located above each pair of facing bowtie end portions (2A',2A') of the bowtie structures in a substantially symmetric or centralized manner with respect to the bowtie end portions above which the respective cap is located, and wherein at least one bowtie arm section (2D 1,D 2,2D 3;2E 1,2E 1,2E 1,2E 1;742,742',742,742';842,...,842) is reused for, and forms part of, more than one of the at least two bowtie structures, and wherein the end portions of each bowtie arm section forming part of two bowtie structures are substantially perpendicularly located with respect to one another.