The K-MC4 from RFbeam Microwave is a Radar Sensor with Frequency 24.050 to 24.250 GHz, IF Frequency 15 Hz to 300 kHz, Output Power 16 to 20 dBm, Antenna Gain 13.0 dB, LNA Gain 16 dB. Tags: 4 hole mount, Transceiver. More details for K-MC4 can be seen below.