A radar module comprising: a low temperature co-fired ceramic, LTCC, substrate; a radar chip attached to a first surface of the LTCC substrate and configured to generate a radar signal for transmission; a transmitting antenna for transmitting the radar signal, the transmitting antenna attached to a second surface of the LTCC substrate and configured to communicate with the radar chip through the LTCC substrate; a plurality of receiving antennas for receiving a received radar signal, the plurality of receiving antennas attached to the second surface of the LTCC substrate and configured to communicate with the radar chip through the LTCC substrate; and a beam steering element configured to introduce a phase delay to the radar signal in order to adjust a first component of a direction of transmission of the radar signal, characterized in that the beam steering element comprises a phase rotator configured to generate a first phase rotated signal and a second phase rotated signal from the radar signal, the phase of the first phase rotated signal differing from the phase of the second phase rotated signal by a signal phase difference, wherein the transmitting antenna element comprises a first feeding point configured to receive the first phase rotated signal from the phase rotator, and a second feeding point configured to receive the second phase rotated signal from the phase rotator, such that the transmitting antenna transmits a resultant radar signal in a direction having the first component determined by the signal phase difference, wherein the radar chip is configured to process the signals received by each receiving antenna of the plurality of receiving antennas to determine a second component of a direction of arrival of the received radar signal. a low temperature co-fired ceramic, LTCC, substrate; a radar chip attached to a first surface of the LTCC substrate and configured to generate a radar signal for transmission; a transmitting antenna for transmitting the radar signal, the transmitting antenna attached to a second surface of the LTCC substrate and configured to communicate with the radar chip through the LTCC substrate; a plurality of receiving antennas for receiving a received radar signal, the plurality of receiving antennas attached to the second surface of the LTCC substrate and configured to communicate with the radar chip through the LTCC substrate; and a beam steering element configured to introduce a phase delay to the radar signal in order to adjust a first component of a direction of transmission of the radar signal, characterized in that the beam steering element comprises a phase rotator configured to generate a first phase rotated signal and a second phase rotated signal from the radar signal, the phase of the first phase rotated signal differing from the phase of the second phase rotated signal by a signal phase difference, wherein the transmitting antenna element comprises a first feeding point configured to receive the first phase rotated signal from the phase rotator, and a second feeding point configured to receive the second phase rotated signal from the phase rotator, such that the transmitting antenna transmits a resultant radar signal in a direction having the first component determined by the signal phase difference, wherein the radar chip is configured to process the signals received by each receiving antenna of the plurality of receiving antennas to determine a second component of a direction of arrival of the received radar signal.