FTTR (Fiber to the Room) extends fiber optic cabling from the entrance to every room, providing whole-home high-speed network coverage. Compared to traditional Ethernet or Mesh WiFi, FTTR offers higher bandwidth, lower latency, and longer lifespan (25-30 years for fiber). • Optical Splitter:. In 2026, fiber can't stop at the front door. One 90°corner bend (1 mm radius) with a 2 kg load. Two 10 mm diameter mandrel wraps.