A radar system configurable for use in a plurality of different applications, the radar system comprising: a plurality of ICs (210, 220), each IC comprising: a respective LO output (212, 222) for selectively outputting a respective LO signal, and a respective LO input (214, 224); a coupling device (230, 330), the coupling device comprising: a plurality of inputs (232, 234, 341, 342, 351, 352), each input being coupled to the LO output of a respective IC, and a plurality of outputs (236, 238. 363, 364, 373, 374), each output being coupled to the LO input of a respective IC; wherein the coupling device is configured such that a LO signal arriving at any one of said plurality of inputs is distributed to each of said plurality of outputs; first circuitry for configuring the radar system for use in a first of said plurality of different applications by introducing a first phase shift into a LO signal received at a first respective input of the plurality of inputs of the coupling device from a first IC of the plurality of ICs, and second circuitry for configuring the radar system for use in a second of said plurality of different applications by introducing a second phase shift into a LO signal received at a second respective input of the plurality of inputs of the coupling device from a second IC of the plurality of ICs, wherein said second phase shift is greater than said first phase shift. a plurality of ICs (210, 220), each IC comprising: a respective LO output (212, 222) for selectively outputting a respective LO signal, and a respective LO input (214, 224); a respective LO output (212, 222) for selectively outputting a respective LO signal, and a respective LO input (214, 224); a coupling device (230, 330), the coupling device comprising: a plurality of inputs (232, 234, 341, 342, 351, 352), each input being coupled to the LO output of a respective IC, and a plurality of outputs (236, 238. 363, 364, 373, 374), each output being coupled to the LO input of a respective IC; wherein the coupling device is configured such that a LO signal arriving at any one of said plurality of inputs is distributed to each of said plurality of outputs; first circuitry for configuring the radar system for use in a first of said plurality of different applications by introducing a first phase shift into a LO signal received at a first respective input of the plurality of inputs of the coupling device from a first IC of the plurality of ICs, and second circuitry for configuring the radar system for use in a second of said plurality of different applications by introducing a second phase shift into a LO signal received at a second respective input of the plurality of inputs of the coupling device from a second IC of the plurality of ICs, wherein said second phase shift is greater than said first phase shift. a plurality of inputs (232, 234, 341, 342, 351, 352), each input being coupled to the LO output of a respective IC, and a plurality of outputs (236, 238. 363, 364, 373, 374), each output being coupled to the LO input of a respective IC; wherein the coupling device is configured such that a LO signal arriving at any one of said plurality of inputs is distributed to each of said plurality of outputs; first circuitry for configuring the radar system for use in a first of said plurality of different applications by introducing a first phase shift into a LO signal received at a first respective input of the plurality of inputs of the coupling device from a first IC of the plurality of ICs, and second circuitry for configuring the radar system for use in a second of said plurality of different applications by introducing a second phase shift into a LO signal received at a second respective input of the plurality of inputs of the coupling device from a second IC of the plurality of ICs, wherein said second phase shift is greater than said first phase shift.