The SMR-334 from InnoSenT is a Radar Sensor with Frequency 24.05 to 24.25 GHz (VCO), Output Power 20 dBm, Antenna Gain 29 dB, Supply Current 47 to 57 mA, Supply Voltage 3.2 to 3.4 V. Tags: SMT, Transceiver. More details for SMR-334 can be seen below.