The RH5596S from Analog Devices is a RF Detector with Frequency 0.1 to 40 GHz, Dynamic Range 32 dB (< ± 1 dB Error), Supply Voltage 2.7 to 3.3 V, Current 25 to 35 mA, Operating Temperature -40 to 125 Degree C. Tags: Die, Log Detector. More details for RH5596S can be seen below.