The HMC948 from Analog Devices is a RF Detector with Frequency 1 to 23 GHz, Dynamic Range 53 to 55 dB, Supply Voltage 3.15 to 3.45 V, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Log Detector. More details for HMC948 can be seen below.