Part Number HP 423A OPTION 03 having (CAGE Code 28480) and FSC 5963 Electronic Modules in stock with ready to ship. Get an instant quote for HP 423A OPTION 03 Detector Radio Frequency by Hewlett Packard Co. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.