Single Mode vs Multimode Fibre: Which Should Your Network Use?
Single mode and multimode fibre differ in core size, reach and optics. This guide sets out where each belongs and why new builds are moving to single mode.
11 September 2026
Plain-spoken guidance on fibre networks from the Core Precision team.
Single mode and multimode fibre differ in core size, reach and optics. This guide sets out where each belongs and why new builds are moving to single mode.
How to read an OTDR trace: launch leads, splices, connectors, bends and breaks, and what a genuine pass looks like at handover.
What a good fusion splice looks like, the levels industry standards expect, and what high or drifting splice loss is really telling you.
What actually sets the price of a commercial fibre optic installation, why quotes vary so widely, and how to get a figure you can defend.