The GYXTW series of outdoor optical cables, all integrated with metal strength members and steel-polyethylene bonding sheaths with steel wires for outdoor durability. The product range includes single-mode (G.652D) and multi-mode (OM3) options—with core counts from 2 (duplex) to 48 cores, plus OM3 variants supporting 150M/300M transmission distances. Many models (marked with "-W") add water-blocking tape for enhanced moisture resistance, meeting diverse outdoor communication infrastructure needs.