According to a first aspect, there is provided a beam steering antenna structure comprising a printed circuit board and a conductive component, a first wall and a second wall of the printed circuit board being juxtaposed with a first surface of the conductive component, the second wall of the printed circuit board abutting and being galvanically connected to the first surface of the conductive component, a second surface of the conductive component extending at an angle from the first surface of the conductive component in a direction from the first wall, a connecting surface extending between the first wall and the second wall such that a groove is formed between the first wall and the second wall, the groove being at least partially juxtaposed to the first surface, the groove comprising a first antenna array and a second antenna array, the first antenna array transmitting a first radiation beam having a first polarization in a direction towards the second surface, or receiving the first radiation beam in a direction from the second surface, the second antenna array transmitting a second radiation beam having a second polarization, orthogonal to the first polarization, in the direction towards the second surface, or receiving the second radiation beam in the direction from the second surface, the second surface steering at least one of the first radiation beam and the second radiation beam in a direction away from or towards the connecting surface.