The RPD -5513 from RF Bay is a RF Detector with Frequency 30 to 4000 MHz, Max Input Power 20 dBm, Dynamic Range 75 to 80 dB, Supply Voltage 4.5 to 5.5 V, VSWR 1.50:1, 2.00:1. Tags: Module with Connectors, Log Detector. More details for RPD -5513 can be seen below.