The TDC-18T-204F from Quantic PMI (Planar Monolithics) is a RF Detector with Frequency 2.4 to 2.5 GHz, Max Input Power 35 dBm, Dynamic Range -5 to 5 dBm, Supply Voltage -5 to 5 V, Current 25 to 85 mA. Tags: Module with Connectors, Threshold Detector. More details for TDC-18T-204F can be seen below.