The SMD0118 from Fairview Microwave is a RF Detector with Frequency 10 MHz to 18.5 GHz, Max Input Power 20 dBm, Dynamic Range 50 dB, Frequency Flatness ±0.5 to ±0.6 dB, Voltage Sensitivity 400 mV/mW. Tags: Connectorized, Diode Detector. More details for SMD0118 can be seen below.