The 28020001 is a single-mode polymer optical fiber produced by Lapp Kabel. It is designed for use at temperatures between -20°C and +70°C and features an orange sheath. The optical fiber is suitable for use in indoor and outdoor applications. It can be used with different devices such as laser sources, LED emitters, light sensors, and power modulators. The fiber is flame-retardant, low-smoke, and halogen-free.