Part Number GP-20B having (CAGE Code 25506) and FSC 5985 Antennas Waveguides and Related Equipment in stock with ready to ship. Get an instant quote for GP-20B Spark Gap by Excelitas Technologies Illuminat. 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.