---
product_id: 69370133
title: "20m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (20 Metre, Black)"
brand: "1stec"
price: "AR$100779"
currency: ARS
in_stock: true
category: "1 S Tec"
url: https://www.desertcart.com.ar/products/69370133-20m-of-genuine-bt-cw1308-4-core-2-twisted-pair
store_origin: AR
region: Argentina
---

# Superfast Broadband 4 Core Installation Tools 20m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (20 Metre, Black)

**Brand:** 1stec
**Price:** AR$100779
**Availability:** ✅ In Stock

## Summary

> 📡 Connect with Confidence: Elevate your home network game!

## Quick Answers

- **What is this?** 20m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (20 Metre, Black) by 1stec
- **How much does it cost?** AR$100779 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/69370133-20m-of-genuine-bt-cw1308-4-core-2-twisted-pair)

## Best For

- 1stec enthusiasts

## Why This Product

- Trusted 1stec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **🚫 Say No to Imitations:** Avoid cheap imports that compromise your connection with inferior materials.
- • **🌐 Universal Compatibility:** Works flawlessly with major ISPs like BT Infinity, Sky, and Virgin.
- • **📈 Elevate Your Connectivity:** Experience seamless telephone and broadband extension with genuine BT CW1308 cables.
- • **🔒 Authentic Quality Assurance:** Manufactured in the UK, ensuring top-notch performance and reliability.
- • **🛠️ Complete Installation Kit:** Includes all necessary tools and accessories for a professional setup.

## Overview

The 1STec 20m Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire is designed for optimal performance in extending telephone and broadband signals. This high-quality cable is manufactured in the UK, ensuring it meets the highest standards and is compatible with various Internet Service Providers. The package includes essential installation accessories, making it easy to achieve a professional finish at home.

## Description

GENUINE BT and BCC CABLE If you want to move, extend or install a new extension or master socket for your High Speed ADSL or Telephone connection then these are the cables you will need Compatible with BT Infinity, Sky, EE, TalkTalk, Plusnet the Post Office and many other service providers that use the Openreach Telephone / Data supply networkFULL COPPER NOT CCA OR CCS Cables made 'to' BT spec have little or no quality control and most are now made of either Copper Clad Steel CCS or Copper Clad Aluminium CCA due to the high cost of copperTHE USE OF CAT5e OR CAT6Another bad practice being introduced to the unsuspecting customer is the use of CAT5, CAT5e & CAT6 network cables on the Modems supply sideThese LAN cables were designed for and work best on Local Area Networks. Wide Area Network / WAN connections require cable consistency for best resultsBEST POSSIBLE PERFORMANCEThese BT & British Cable Company / BCC cables currently achieves the best possible speeds of any other type of Wide Area Network cable available in the UK.CABLE SPECIFICATION Conductor Sectional Area: 0.5mm² Conductor: Plain Annealed Copper Current Voltage Rating: 0.25A, 2 stoneAC:80V Outside Diameter: 3.5mm to 4mm No. of Cores: 4 (2 x Twisted Pairs) Black version is UV Protected for External use

## Features

- GENUINE SOLID COPPER CONDUCTORS - Features 0.5mm diameter pure copper cores delivering superior conductivity compared to copper-clad aluminum or steel alternatives, ensuring strong signal transmission across extended runs without degradation or interference
- BROADBAND PERFORMANCE OPTIMIZATION - Maintains full ADSL and VDSL internet speeds on lengthy installations through low electrical resistance and capacitance characteristics, preventing the 20-40% speed reduction common with inferior wire construction
- PERMANENT INSTALLATION DURABILITY - The black PVC weatherproof sheath protects internal pairs for 25-30 year lifespan in damp environments, walls, floors, or outdoor routing to outbuildings without corrosion issues affecting connectivity reliability
- PROFESSIONAL GRADE SPECIFICATION - Identical construction to BT engineer-installed telecommunications wiring, compatible with master sockets, junction boxes, extension points, and standard IDC terminal connectors throughout residential properties
- SIGNAL CLARITY MAINTENANCE - Eliminates crackling, dropouts, and line noise on voice calls across distances exceeding 10 meters where copper-clad alternatives fail, making it essential for multi-room extension socket networks
- FLEXIBLE ROUTING CAPABILITY - Blue and white-blue color-coded pairs bend easily through cavity walls, underfloor spaces, and tight corners without kinking, while remaining rigid enough for professional-looking surface mounting or conduit threading
- RETROFIT AND NEW BUILD SUITABILITY - Works seamlessly with existing telephone infrastructure, garden office connections, workshop extensions, and complete home rewiring projects requiring dependable landline and broadband service transmission

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07B8WS2BL |
| Best Sellers Rank | 21,041 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 366 in Phone Accessories |
| Brand | 1STec |
| Cable Type | Ethernet |
| Colour | Black |
| Compatible Devices | Modem, Router |
| Compatible Phone Models | Compatible with smartphones, specific models not listed |
| Connector Gender | Male-to-Male |
| Connector Type | RJ45 |
| Country Of Origin | United Kingdom |
| Customer Package Type | sealed anti-static bag |
| Customer Reviews | 4.6 4.6 out of 5 stars (606) |
| Ethernet Cable Category | Cat 6a |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Item Length | 20 Metres |
| Item Shape | Round |
| Manufacturer | 1STec Telephone |
| Manufacturer Part Number | 1 |
| Maximum Voltage | 80 Volts |
| Model Number | 1 |
| Number of Items | 1 |
| Number of Pins | 8 |
| Other Special Features of the Product | High Speed |
| Outer Material | UV-protected material |
| Recommended Uses For Product | Telephone and Broadband Signal Extension and Connection |
| Specification Met | RoHS |
| Unit Count | 1 Count, 20.0 meters |

## Product Details

- **Brand:** 1STec
- **Cable type:** Ethernet
- **Compatible devices:** Modem, Router
- **Connector type:** RJ45
- **Special feature:** High Speed

## Images

![20m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (20 Metre, Black) - Image 1](https://m.media-amazon.com/images/I/41NNDp+atEL.jpg)
![20m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (20 Metre, Black) - Image 2](https://m.media-amazon.com/images/I/41opnvl0EBL.jpg)
![20m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (20 Metre, Black) - Image 3](https://m.media-amazon.com/images/I/51A2RgC7L0L.jpg)
![20m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (20 Metre, Black) - Image 4](https://m.media-amazon.com/images/I/41ipCpsYfuL.jpg)
![20m of Genuine BT CW1308 4 Core 2 Twisted Pair Telephone or FTTC Broadband Extension Wire + 4 Grommets + IDC Insertion Tool + 4mm Clips + Printed Colour Code Instructions (20 Metre, Black) - Image 5](https://m.media-amazon.com/images/I/41TM5vyQ58L.jpg)

## Available Options

This product comes in different **Color, Size** options.

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**Shop now:** [https://www.desertcart.com.ar/products/69370133-20m-of-genuine-bt-cw1308-4-core-2-twisted-pair](https://www.desertcart.com.ar/products/69370133-20m-of-genuine-bt-cw1308-4-core-2-twisted-pair)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-11-14*