Part Number S35-2000-1GY Antenna Marker Beacon 75Mhz Gray in stock with ready to ship. Get an instant quote for Sensor Systems Inc part number S35-2000-1GY by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for S35-2000-1GY. Our dedicated account manager will get back to you within 15 minutes.