Dear buyers, due to the upgrade of the company's products, the two colors will be shipped randomly. If you have other questions, please contact us.Thank you for your understanding and support.

1. AMPCOM Fiber Cable Description: OS2 Fiber Patch Cable 3-15 Meter | Single Mode Fiber Patch Cable, 9/125 Corning optical fiber glass, Yellow LSZH jacket, 3.0mm outer diameter, zip-cord reinforced, jumper cord. | Education, Corporate, Military/Defense, Government, Healthcare, Finance, General Commercial, Computer Networking Applications.
2. Core / Cladding: Corning 9 micron diameter fiber core / 125 micron diameter cladding (1 micron is 1 one-millionth/1 meter). The fiber optic core is surrounded by a transparent, low refraction, cladding material. Light is contained within the fiber core (total internal reflection) causing the fiber within the patch cord assembly to act as a wave-guide. Light travels through the fiber bouncing off the boundary between core & cladding.
3. Optical Mode Type: OS2 (9/125 Singlemode) - 10 Gigabit speed from 5-10km at 1310nm (10Gbase-L) and 30-40km at 1550nm (10Gbase-E) with 0.4 dB/km maximum attenuation, atm applications. Audio, video, sfp data services supported. ISO / IEC 24702
4. Durable Construction For Indoor / Outdoor Use and Built To Last | 100% Lifetime Warranty On All Fiber Cables Direct Products. Superior packaging for safe delivery anywhere in the world, using any available carrier and selected delivery priority.