Gy(f)ty53 Description 1.Loose tube style, gel-filled, layer-stranded. 2.Optical fiber cable with metallic/non-metallic central strength memeber of steel wire/frp. 3.Filling compound and inner sheath. 4.Double-sided pe corrugated steel tape+pe outer sheath. 5.Two-layer sheath for excellent crush-resistant perfermance and moisture- resistance. Application 1.Suitable for direct buried, ducts and aerial. 2.Long distance communication system 3.Local area network system 4.Subscriber network system