The QMC-DP28-FB00A from Quantum Microwave is a Waveguide Detector with Frequency 26.5 to 40 GHz, Input power 17 dBm, Voltage Sensitivity 1800 mV/mW, Operating Temperature -20 to 70 Degree C, Storage Temperature -55 to 100 Degree C. More details for QMC-DP28-FB00A can be seen below.