The DDS218 from Herotek is a RF Detector with Bias Current 100 to 200 µA, Frequency 2 to 18 GHz, TSS -53 to -51 dBm, Frequency Flatness ±0.8 to ±1 dB, Voltage Sensitivity 1500 to 2200 mV/mW. Tags: Connectorized, Diode Detector. More details for DDS218 can be seen below.