The DTS4001 from Teledyne Microwave Solutions is a RF Detector with Frequency 0.01 to 4 GHz, Max Input Power -30 to -5 dBm, Dynamic Range -30 to -5 dBm, Frequency Flatness ±0.5 dB, Current 2.5 to 3.5 mA. Tags: Surface Mount, Threshold Detector. More details for DTS4001 can be seen below.