Corning’s 20 km SMF-28 single-mode fiber spool is engineered for metro networks and campus backbones. ITU-T G.652 compliant, it delivers low attenuation (0.20 dB/km at 1550 nm) and excellent bandwidth for high-speed data transmission. The fiber’s consistent geometry minimizes splice losses, while its robust construction resists bending and environmental stress. Suitable for FTTH, mobile fronthaul, and enterprise networks, it supports wavelengths from 1310 nm to 1550 nm. Corning’s quality assurance ensures long-term reliability, even in fluctuating temperatures and high-moisture environments. This spool is a trusted choice for network operators seeking a balance of performance and durability.

Corning Single Mode fiber SMF-28 Optical Fiber 20,000m / 20km
20 km Corning SMF-28 single-mode fiber, ITU-T G.652 compliant. Suitable for metro networks, campus backbones, and broadband distribution. Features consistent core/cladding geometry for low splice loss. Works with 1310 nm and 1550 nm wavelengths.
Product Condition & Availability
Corning Single Mode fiber SMF-28 Optical Fiber 20,000m / 20km is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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