A Frequency-Modulated-Continuous-Wave, FMCW, radar device (2, 8, 24), the device comprising: a clock to drive an oscillator, wherein the oscillator is configured to transmit a first signal from an RF antenna (16, 20, 38), wherein a frequency of the first signal varies over a first frequency range around a first baseband frequency; a mixer configured to receive a second signal (18, 22, 40) from the RF antenna and generate a difference signal based on the first signal and the second signal, wherein the second signal is received at the RF antenna from a second FMCW radar device, different from the FMCW radar device, and a frequency of the second signal varies over a second frequency range around a second baseband frequency; an analog-to-digital converter configured to generate a digital difference signal based on the difference signal generated by the mixer; and a signal processing unit, wherein the signal processing unit is configured to: determine values of a plurality of parameters including a first timing offset based on the digital difference signal; receive a second timing offset of the second FMCW radar device, wherein the first timing offset comprises a time-of-flight delay and a clock offset of the first FMCW radar unit at a first time, and the second timing offset comprises a time-of-flight delay and a clock offset at a second time; determine a clock offset based on the difference between the first and second timing offsets; and synchronize the clock with a clock of the second FMCW radar device based on the clock offset. a clock to drive an oscillator, wherein the oscillator is configured to transmit a first signal from an RF antenna (16, 20, 38), wherein a frequency of the first signal varies over a first frequency range around a first baseband frequency; a mixer configured to receive a second signal (18, 22, 40) from the RF antenna and generate a difference signal based on the first signal and the second signal, wherein the second signal is received at the RF antenna from a second FMCW radar device, different from the FMCW radar device, and a frequency of the second signal varies over a second frequency range around a second baseband frequency; an analog-to-digital converter configured to generate a digital difference signal based on the difference signal generated by the mixer; and a signal processing unit, wherein the signal processing unit is configured to: determine values of a plurality of parameters including a first timing offset based on the digital difference signal; receive a second timing offset of the second FMCW radar device, wherein the first timing offset comprises a time-of-flight delay and a clock offset of the first FMCW radar unit at a first time, and the second timing offset comprises a time-of-flight delay and a clock offset at a second time; determine a clock offset based on the difference between the first and second timing offsets; and synchronize the clock with a clock of the second FMCW radar device based on the clock offset. determine values of a plurality of parameters including a first timing offset based on the digital difference signal; receive a second timing offset of the second FMCW radar device, wherein the first timing offset comprises a time-of-flight delay and a clock offset of the first FMCW radar unit at a first time, and the second timing offset comprises a time-of-flight delay and a clock offset at a second time; determine a clock offset based on the difference between the first and second timing offsets; and synchronize the clock with a clock of the second FMCW radar device based on the clock offset.