The MS72SF1 from Minewsemi is a Radar Sensor with Frequency 60 to 64 GHz, Distance Range 0.5 to 8 m, Output Power -20 to 8 dBm, Supply Current 110 mA, Supply Voltage 2.5 to 3.3 V. Tags: Surface Mount, Sensor Module. More details for MS72SF1 can be seen below.