The DDT004 from Herotek is a RF Detector with Frequency 0.1 to 4 GHz, Max Input Power -20 to 17 dBm, TSS -50 dBm, Frequency Flatness 0.5 dB, Voltage Sensitivity 900 mV/mW. Tags: Two-Hole, Flatpack, Diode Detector. More details for DDT004 can be seen below.