The EZM0140A3 from Eclipse MDI is a RF Detector with Frequency 0.01 to 4 GHz, Max Input Power 20 dBm, Dynamic Range 50 dB, Frequency Flatness ±0.30 dB, Voltage Sensitivity 500 mV/mW. Tags: Connectorized, Diode Detector. More details for EZM0140A3 can be seen below.