The ZX47-55LN+ from Mini Circuits is a RF Detector with Frequency 10 MHz to 8 GHz, Max Input Power 18 dBm, Dynamic Range 65 dB, Supply Voltage 4.5 to 5.5 V, Current 100 mA. Tags: Module with Connectors, Log Detector. More details for ZX47-55LN+ can be seen below.