The TD-20T-5F4G5F9G-DIFF from Quantic PMI (Planar Monolithics) is a RF Detector with Frequency 5.4 to 5.9 GHz, Dynamic Range -18 to 2 dBm, Supply Voltage -15 to 15 V, Current 100 to 150 mA, Pulse Width 0.32 to 102.75 us. Tags: Module with Connectors, Threshold Detector. More details for TD-20T-5F4G5F9G-DIFF can be seen below.