The SMD0204N from Fairview Microwave is a RF Detector with Frequency 2 to 4 GHz, Max Input Power 20 dBm, Dynamic Range 50 dB, Frequency Flatness ±0.2 to ±0.25 dB, Voltage Sensitivity 500 mV/mW. Tags: Connectorized, Diode Detector. More details for SMD0204N can be seen below.