The DHM124NB from Herotek is a RF Detector with Frequency 10 MHz to 12.4 GHz, Max Input Power -50 to 20 dBm, Dynamic Range 70 dB, Frequency Flatness ±0.5 dB, Voltage Sensitivity 1000 mV/ mW. Tags: Connectorized, Diode Detector. More details for DHM124NB can be seen below.