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COF Cables
Central optical fibre construction.
COF cables carry the fibre in a single central tube for a compact, easily stripped build — quick to prepare in the closure and well suited to duct installation.
At a glance
| Specification | Value |
|---|---|
| Format | Central tube (COF) |
| Fibre count | 12 – 96 F |
| Outer diameter | 6.0 – 9.0mm |
| Install | Duct pull / blown |
- UK WarehousedSame-week dispatch
- In-house engineersTechnical specs & support
- End-to-end BOM fulfilmentKitted, staged, delivered
- 120+ network buildersTrust Altnets to deliver
Key features
Built for how it gets installed.
COF Cables is one of the 13 cable types we carry across our Fibre Cable range — chosen for the way you actually deploy.
Central tube construction
Fast, clean cable preparation
Compact outside diameter
Duct and direct-buried variants
Why Altnets
The clever choice for network builders.
Deep UK stock
300,000+ sqft of warehousing and 4,000+ pallet positions — same-week dispatch on most line items.
Engineers, not order-takers
In-house technical team to validate specs, propose alternatives and de-risk your build before it ships.
BOM, kitted & staged
Multi-vendor consolidation, phased deliveries and project staging built into every order.
UK & worldwide reach
Air, sea and road freight with full export documentation and flexible incoterms for global rollouts.
Applications
Where cof cables earns its keep.
FTTx distribution
Duct installation
Metro networks
Estate developments
Have a question?
Let's get your network moving.
Tell us what you're building. We'll come back with a quote, lead times, and a plan.
- [email protected]
- +44 (0) 20 3997 8994
- Brighton · United Kingdom
More Fibre Cable
Other cable types
Ultra Light Weight
Light enough for the longest blows.
Blown Micro Cable
Small, light, blows a long way.
Duct Grade
Built for pulling into duct.
MDU Cable
Riser fibre for apartment blocks.
Armoured CST
Corrugated steel armour protection.
Air Blown Fibre
Fibre blown in, when you need it.
Armoured SWA
Heavy-duty steel wire armour.
Ribbon Cable
Mass fusion, ultra-high count.
Universal Loose Tube
The all-round loose tube build.
Tight Buffered Cable
Robust internal fibre cable.
NGTS Cables
Cables to the NGTS specification.
Unterminated Drop Cable
Drop cable, terminate on site.