The CTM 312 from Microphase Corporation is a RF Detector with Frequency 1 to 2 GHz, Max Input Power 17 dBm, TSS -52 dBm, Frequency Flatness ±0.3 dB, Voltage Sensitivity 1000 mV/mW. Tags: Connectorized, Diode Detector. More details for CTM 312 can be seen below.