The CTM 3218 from Microphase Corporation is a RF Detector with Frequency 2 to 18 GHz, Max Input Power 17 dBm, TSS -49 dBm, Frequency Flatness ±1.0 dB, Voltage Sensitivity 600 mV/mW. Tags: Connectorized, Diode Detector. More details for CTM 3218 can be seen below.