The CTM 348 from Microphase Corporation is a RF Detector with Frequency 4 to 8 GHz, Max Input Power 17 dBm, TSS -51 dBm, Frequency Flatness ±0.4 dB, Voltage Sensitivity 900 mV/mW. Tags: Connectorized, Diode Detector. More details for CTM 348 can be seen below.