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DTECH Articles

06/04/2026

DTECH Fibre Optic Systems: Everything You Need for a Complete Installation

DTECH supplies a complete fibre optic cabling system — from bulk backbone cable through pre-terminated assemblies, patch leads, pigtails, adaptors, splice accessories, and patch panels. Every component is available from...

15/06/2026

Fibre Insertion Loss and Return Loss Explained

Insertion loss and return loss are the two parameters that define how well a fibre optic link will actually perform — and they are the two figures that appear on...

30/03/2026

Fibre Optic Cable Construction: Tight Buffered vs Loose Tube

Tight buffered and loose tube are the two fundamental fibre optic cable constructions. Every fibre backbone cable — whether multimode or single mode, internal or external, four fibre or forty-eight...

01/09/2025

Fibre Optic Connectors Explained: LC vs SC and UPC vs APC

Fibre optic connectors come up on every installation project, and the terminology around them trips people up more than it should. LC or SC? UPC or APC? Blue or green?...

01/06/2025

Fibre vs Copper Data Cable: Which Should You Choose?

Copper or fibre — it's the first question on most cabling projects, and it rarely has a simple answer. The right choice depends on what your network needs to do...

16/03/2026

Internal vs External Data Cable: What’s the Difference and How to Choose

One of the most common specification errors in structured cabling installations is using standard internal cable on a route that passes outside — through an external wall, across a roof,...

02/03/2026

OM4 vs OM5 Fibre: What’s the Difference and Which Should You Specify

When OM5 was introduced in 2016 it generated considerable interest — a new multimode fibre grade promising wideband capability, more data over fewer fibres, and a clear upgrade path beyond...

22/06/2026

Pre-Terminated Fibre Optic Cable: When to Use It and How DTECH’s Service Works

Pre-terminated fibre optic cable is factory-assembled, factory-tested, and delivered ready to install — connectors already fitted, polarity already verified, insertion loss already measured and within specification before the cable leaves...