The Fiberdyne Entrance Cable is available with a nickel-tin plated solid brass housing with 5/8" rotational nut for easy installation. It is available with FC/APC or SC/APC connectors featuring -65dB to -70dB back reflection, or FC/UPC, SC/UPC, ST/UPC connectors featuring-50dB to -60dB Back Reflection. We use Seikoh Giken Diamond polishing machines to achieve the highest back reflection in the industry. A JDS Fitel back reflection meter guarantees certified results. The entrance cable is available in loose tube armored with matched or depressed fiber.