Part Number ERFA11031B-D-FS Fiber Optic Amplifiers in stock with ready to ship. Get an instant quote for Furukawa Electric part number ERFA11031B-D-FS by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for ERFA11031B-D-FS. Our dedicated account manager will get back to you within 15 minutes.