The TD-A-42T-818 from Quantic PMI (Planar Monolithics) is a RF Detector with Frequency 8 to 18 GHz, Max Input Power 10 dBm, Dynamic Range -42 to -30 dBm, Supply Voltage 12 V, Current 200 mA. Tags: Module with Connectors, Threshold Detector. More details for TD-A-42T-818 can be seen below.