The CTM 328 from Microphase Corporation is a RF Detector with Frequency 2 to 8 GHz, Max Input Power 17 dBm, TSS -50 dBm, Frequency Flatness ±0.5 dB, Voltage Sensitivity 700 mV/mW. Tags: Connectorized, Diode Detector. More details for CTM 328 can be seen below.