The CTM 31218 from Microphase Corporation is a RF Detector with Frequency 12 to 18 GHz, Max Input Power 17 dBm, TSS -50 dBm, Frequency Flatness ±0.7 dB, Voltage Sensitivity 800 mV/mW. Tags: Connectorized, Diode Detector. More details for CTM 31218 can be seen below.