The TL5003 from Advanced Microwave Inc is a RF Detector with Frequency 2 to 18 GHz, Max Input Power 23 dBm CW, TSS -47 dBm, Frequency Flatness 1.5 dB, Voltage Sensitivity 500 mV/mW. Tags: Module with Connectors, Diode Detector. More details for TL5003 can be seen below.