An apparatus comprising: a first uniform multi input/multi output, MIMO, antenna array having transmitting antennas and receiving antennas in a first sparse arrangement; a second uniform MIMO antenna array having transmitting antennas and receiving antennas in a second sparse arrangement that is different than the first sparse arrangement, the second uniform MIMO antenna array being arranged with the first uniform MIMO antenna array in a non-uniform arrangement; radar communication circuitry configured and arranged with the first and second MIMO antenna arrays to: transmit radar signals utilizing the transmitting antennas in the first and second MIMO arrays ; receive reflections of the transmitted radar signals from an object utilizing the receiving antennas in the first and second MIMO arrays ; and ascertain directional characteristics of the object relative to the antennas by comparing the reflections of the transmitted radar signals received by the first MIMO array with the reflections of the transmitted radar signals received by the second MIMO array during a common time period; wherein the transmitting antennas of the first MIMO array are spaced at a first distance; the receiving antennas of the first MIMO array are spaced at a second distance; the transmitting antennas of the second MIMO array are spaced at a third distance; and the receiving antennas of the second MIMO array are spaced at a fourth distance, the first, second, third and fourth distances being different from one another. a first uniform multi input/multi output, MIMO, antenna array having transmitting antennas and receiving antennas in a first sparse arrangement; a second uniform MIMO antenna array having transmitting antennas and receiving antennas in a second sparse arrangement that is different than the first sparse arrangement, the second uniform MIMO antenna array being arranged with the first uniform MIMO antenna array in a non-uniform arrangement; radar communication circuitry configured and arranged with the first and second MIMO antenna arrays to: transmit radar signals utilizing the transmitting antennas in the first and second MIMO arrays ; receive reflections of the transmitted radar signals from an object utilizing the receiving antennas in the first and second MIMO arrays ; and ascertain directional characteristics of the object relative to the antennas by comparing the reflections of the transmitted radar signals received by the first MIMO array with the reflections of the transmitted radar signals received by the second MIMO array during a common time period; transmit radar signals utilizing the transmitting antennas in the first and second MIMO arrays ; receive reflections of the transmitted radar signals from an object utilizing the receiving antennas in the first and second MIMO arrays ; and ascertain directional characteristics of the object relative to the antennas by comparing the reflections of the transmitted radar signals received by the first MIMO array with the reflections of the transmitted radar signals received by the second MIMO array during a common time period; the transmitting antennas of the first MIMO array are spaced at a first distance; the receiving antennas of the first MIMO array are spaced at a second distance; the transmitting antennas of the second MIMO array are spaced at a third distance; and the receiving antennas of the second MIMO array are spaced at a fourth distance, the first, second, third and fourth distances being different from one another. <EOS>