Note : Your Quotation Request will be directed to L-3 Narda-MITEQ.
The 503A from L-3 Narda-MITEQ is a RF Detector with Frequency 0.01 to 18.0 GHz, Max Input Power 20 dBm, Max Input Power 0.1 W, Voltage Sensitivity 0.5 mV/uW, VSWR 1.60:1. Tags: Zero Bias Schottky Detector. More details for 503A can be seen below.
Threshold Detector from 2 GHz to 18 GHz
You can now find similar products from multiple companies on everything RF.