The HMC601 from Analog Devices is a RF Detector with Frequency 50 to 4000 MHz, Dynamic Range 75 dB, Supply Voltage 2.7 to 5.5 V, Current 1 to 36 mA, Response Time 2.2 to 19.9 us. Tags: Surface Mount, Log Detector. More details for HMC601 can be seen below.