The BSD1001 from Advanced Microwave Inc is a RF Detector with Bias Current 20 mA, Frequency 0.1 to 0.5 GHz, Max Input Power -20 dBm, TSS -52 dBm, Frequency Flatness ±0.5 dB. Tags: Module with Connectors, Diode Detector. More details for BSD1001 can be seen below.