---
product_id: 106414445
title: "NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket + Back Box"
brand: "openreach"
price: "298 kr"
currency: DKK
in_stock: true
reviews_count: 7
category: "Openreach"
url: https://www.desertcart.dk/products/106414445-nte5c-mk2-vdsl-mk4-openreach-telephone-master-socket-back-box
store_origin: DK
region: Denmark
---

# Boosts VDSL speeds by ~2Mbps Improves signal-to-noise ratio by 2dB Tool-less 2-wire quick install NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket + Back Box

**Brand:** openreach
**Price:** 298 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your connection, upgrade your life!

## Quick Answers

- **What is this?** NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket + Back Box by openreach
- **How much does it cost?** 298 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/106414445-nte5c-mk2-vdsl-mk4-openreach-telephone-master-socket-back-box)

## Best For

- openreach enthusiasts

## Why This Product

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

## Key Features

- • **Robust Build Quality:** Includes a premium back box and M3.5 machine screws for secure, long-lasting mounting.
- • **Speed-Optimized Design:** Engineered to maximize VDSL/VDSL2 broadband performance with no speed-reducing surge protectors.
- • **Effortless Installation:** Tool-less connectors and just two wires make upgrading your master socket a breeze—no electrician needed.
- • **Integrated ADSL Filtering:** Built-in filters eliminate the need for external ADSL filters, decluttering your setup.
- • **Future-Proof Compatibility:** Supports OpenReach standards and is ideal for high-speed internet setups, ensuring your home network stays ahead.

## Overview

The NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket with back box is a professional-grade, easy-to-install master socket designed to enhance VDSL broadband speeds and signal quality. Featuring tool-less wiring, integrated ADSL filters, and a robust mounting kit, it delivers a noticeable internet performance boost and reliable connectivity for modern high-speed home networks.

## Description

This is the updated NTE5C MK2 + VDSL MK4 with clear cam locks PLUS quality backbox. NTE5C Contains resistor and ring capacitor. Voltage surge protectors are no longer used in as they can reduce ADSL and VDSL speeds. Support website included.

Review: Easy to change, improves S/N performance. - Easy change replacement for the earlier generation if Openreach/BT termination box. Just two wires needed - and there should only be two connected in an existing master socket - so cut the old off (one at a time) insert wires into tool-less connector and push down. That’s it. Ideal for connections with VDSL/VDSL2 as the design is better for higher speeds. You can also remove any ADSL filters too as they are now inside this version. No anti-surge in these versions - which really isn’t an issue of any type unless you are on top of a hill or in a lightning prone area! I changed the master socket to one of these in under 10 minutes and saw an immediate increase in line traffic speeds of approx 2Mbps download. This is on a 40/10 VDSL circuit. Signal to noise improved by about 2dB. Line length is just over 750m.
Review: OpenReach Telephone Master Socket - My internet seemed to very slow at times and my provider does not seem want to know. So I decided to see if fitting a new phone master box could fix the problem. So I went on YouTube to see if there were any videos on how I could install it myself and found a video by an ex BT engineer on how to do this. It is really so simple to do and I was amazed to find that there is only two cables to wire in. Believe me it is no harder than fitting a plug. My internet is now more stable and I don't seem to have anymore slow downs. So if you got the same problem I had, buy this and fit it yourself.

## Features

- Includes quality backbox and M3.5 machine screws.
- Especially Designed To Support Cup Sizes From C To F
- Heat Moulded Inner-Cups Encapsulate The Bust To Limit Movement And Prevent Chaffing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07LFMPVX4 |
| Best Sellers Rank | 38,192 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 974 in Telephones, VoIP & Accessories |
| Guaranteed software updates until | unknown |
| Item model number | 2021-01FU-4-43022 |
| Manufacturer | openreach |
| Package Dimensions | 13.5 x 12.4 x 7 cm; 160 g |

## Product Details

- **Answering system type:** Digital
- **Brand:** openreach
- **Colour:** black
- **Compatible devices:** PSTN, Answering Machines, Fax Machines
- **Dialler type:** Single Keypad
- **Item weight:** 0.16 Kilograms
- **Material:** Metal, Plastic
- **Multiline operation:** Single-Line Operation
- **Power source:** Corded Electric
- **Telephone type:** Corded

## Images

![NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket + Back Box - Image 1](https://m.media-amazon.com/images/I/71tsYk7XKcL.jpg)
![NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket + Back Box - Image 2](https://m.media-amazon.com/images/I/61YL8f7SmWL.jpg)
![NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket + Back Box - Image 3](https://m.media-amazon.com/images/I/51o3j-7mFkL.jpg)
![NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket + Back Box - Image 4](https://m.media-amazon.com/images/I/61V84t4qaIL.jpg)
![NTE5C MK2 + VDSL MK4 OpenReach Telephone Master Socket + Back Box - Image 5](https://m.media-amazon.com/images/I/618wNFuD9kL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to change, improves S/N performance.
*by A***W on 7 June 2019*

Easy change replacement for the earlier generation if Openreach/BT termination box. Just two wires needed - and there should only be two connected in an existing master socket - so cut the old off (one at a time) insert wires into tool-less connector and push down. That’s it. Ideal for connections with VDSL/VDSL2 as the design is better for higher speeds. You can also remove any ADSL filters too as they are now inside this version. No anti-surge in these versions - which really isn’t an issue of any type unless you are on top of a hill or in a lightning prone area! I changed the master socket to one of these in under 10 minutes and saw an immediate increase in line traffic speeds of approx 2Mbps download. This is on a 40/10 VDSL circuit. Signal to noise improved by about 2dB. Line length is just over 750m.

### ⭐⭐⭐⭐⭐ OpenReach Telephone Master Socket
*by D***D on 7 March 2021*

My internet seemed to very slow at times and my provider does not seem want to know. So I decided to see if fitting a new phone master box could fix the problem. So I went on YouTube to see if there were any videos on how I could install it myself and found a video by an ex BT engineer on how to do this. It is really so simple to do and I was amazed to find that there is only two cables to wire in. Believe me it is no harder than fitting a plug. My internet is now more stable and I don't seem to have anymore slow downs. So if you got the same problem I had, buy this and fit it yourself.

### ⭐⭐⭐⭐ Great item
*by D***S on 17 November 2022*

Great item and great value

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**Shop now:** [https://www.desertcart.dk/products/106414445-nte5c-mk2-vdsl-mk4-openreach-telephone-master-socket-back-box](https://www.desertcart.dk/products/106414445-nte5c-mk2-vdsl-mk4-openreach-telephone-master-socket-back-box)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-07*