The TD-30T-SHS-218-30M450 from Quantic PMI (Planar Monolithics) is a RF Detector with Frequency 0.03 to 0.45 GHz, Dynamic Range -20 to 10 dBm, Supply Voltage -15 to 15 V, Current 100 mA, Threshold Variation 0.5 dB. Tags: Module with Connectors, Threshold Detector. More details for TD-30T-SHS-218-30M450 can be seen below.