The DG3003P from Clear Microwave, Inc is a RF Detector with Frequency 300 MHz to 3 GHz, Max Input Power 20 dBm, TSS -45 dBm, Frequency Flatness ±0.5 dB, Voltage Sensitivity 1500 mV/mW. Tags: Module with Connectors, Diode Detector. More details for DG3003P can be seen below.