The ZX47-50+ from Mini Circuits is a RF Detector with Frequency 10 MHz to 8 GHz, Max Input Power 22 dBm, Dynamic Range -50 to 15 dBm, Supply Voltage 4.5 to 5.7 V, Current 100 to 120 mA. Tags: Module with Connectors, Power Detector. More details for ZX47-50+ can be seen below.