The DG1840 from Clear Microwave, Inc is a RF Detector with Frequency 18 to 40 GHz, Max Input Power 20 dBm, TSS -45 dBm, Frequency Flatness ±1.8 dB, Voltage Sensitivity 600 mV/mW. Tags: Module with Connectors, Diode Detector. More details for DG1840 can be seen below.