The ADL5506 from Analog Devices is a RF Detector with Frequency 30 MHz to 4.5 GHz, Max Input Power 15 dBm, Dynamic Range 45 dB, Supply Voltage 2.5 to 5.5 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Power Detector. More details for ADL5506 can be seen below.