The DET-28-P00 from Precision millimeter wave is a Waveguide Detector with Frequency 26.5 to 40 GHz, Input power 17 dBm, Voltage Sensitivity 1800mV/mW, Operating Temperature -20 to 70 Degree C, Storage Temperature -55 to 100 Degree C. More details for DET-28-P00 can be seen below.