The TL5001 from Advanced Microwave Inc is a RF Detector with Frequency 0.1 to 0.5 GHz, Max Input Power 23 dBm CW, TSS -50 dBm, Frequency Flatness 0.7 dB, Voltage Sensitivity 800 mV/mW. Tags: Module with Connectors, Diode Detector. More details for TL5001 can be seen below.