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          phasethree

                                                    passionate about networks

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phasethree designs and delivers projects on time and within budget


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Structured Data Network Cabling

Phasethree provides a comprehensive range of structured network cabling solutions for the private and public sectors.

From offices to hospitality, we are experts in copper, fibre optics and WiFi APs.

Phasethree are transparent and reliable, always aim to exceed requirements and will add value to your project.

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About phasethree

We are passionate about networks.

We have a responsibility to provide a high quality service and product, we pay respect to the client and end user of the product by ensuring resiliency. Increased durability means a lower MTTR and lower consumption of resources.

Our teams work to the absolute pinnacle of standards, we listen and we are honest and transparent, empowering our clients to make informed decisions. 

Network Hub and Cable
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WiFi survey specialists


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Accurate planning. Network visualisation. Actionable outcomes.

Ekahau Pro, the industry-standard tool for designing, analyzing, optimizing, and troubleshooting Wi-Fi networks.

Wireless network analysis, optimisation and simulation with high-definition visual Wi-Fi heatmaps that take the guesswork out of network coverage and performance.

Getting it right first time.

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25 Year Manufacturer's Warranty






Phasethree uses Fluke Networks DSX-5000 CableAnalyzer™ to certify your fibre and copper installations.

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Cable Types

Shielded and unshielded pair LAN cabling
TIA Category 3, 4, 5, 5e, 6, 6A: 100 Ω ISO/IEC Class C, D, E, EA, F, and FA: 100 Ω and 120 Ω

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Test Standards

TIACategory 3, 4, 5, 5e, 6, 6A per TIA 568-C.2 ISO/IECClass C and D, E, Ea, F, FA certification per ISO/IEC 11801:2002 and amendments
Maximum frequency1200 MHz

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Test Parameters

Wire Map, Length, Propagation Delay, Delay Skew, DC Loop Resistance, Insertion Loss (Attenuation), Return Loss (RL), NEXT, Attenuation-to-crosstalk Ratio (ACR-N), ACR-F (ELFEXT), Power Sum ACR-F (ELFEXT), Power Sum NEXT, Power Sum ACR-N, Power Sum Alien Near End Xtalk (PS ANEXT), Power Sum Alien Attenuation Xtalk Ratio Far End (PS AACR-F)

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Digital Network Cables

Emergency 
fibre-optic repair


Comprehensive emergency fault finding and repair service for damaged and faulty fibre optic connections

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Call now for rapid 24/7 fibre repair response

Field engineer 077 4042 5518

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Projects in 2022

Serving our customers in the UK and EU

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Contact Us

Phasethree Ltd

167-169 Great Portland Street

5th Floor

London, W1W 5PF

Registered in England No.12434258

VAT registration number: 351878765

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21st June 2021

‘Phasethree Ltd are experienced providers of design, installation and testing services for passive copper and optical fibre solutions’.

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8th February 2022

'Phasethree ltd has achieved the Cisco Small Business Specialization in UK.

Your company has proven they can provide sophisticated, value-added Cisco solutions through their in-depth sales capabilities, technology skills and service offerings in UK.'


Cisco Systems UK

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Modern Slavery Statement

We are strongly committed to conducting our business in a lawful and ethical manner, including engaging with suppliers that are committed to the same principles. Phasethree encourages all its workers, customers and other business partners to report any concerns related to its direct activities, or its supply chain’s activities. This includes any circumstances that may give rise to an enhanced risk of slavery or human trafficking. We are committed to all of our employment practices being fair, compliant with current legislation and reflecting best business practice. Temporary staff are recruited on the basis of their skills, qualifications, experience, potential and motivation, regardless of gender, race, ethnic origin, sexuality, religion, marital status, age or disability. Only specified and reputable employment agencies are used to source labour. We are committed to providing a working environment that ensures that all employees are treated fairly, equally and decently. We believe that everyone has the right to be treated with dignity and respect. We regard any form of harassment and bullying as totally unacceptable behaviour and we will not permit it or condone it in any form. Everyone has a personal responsibility for their own behaviour and a duty of care to treat each other with dignity and respect. This includes individuals being aware of the appropriateness of their conduct, making sure that their own behaviour does not cause offence or misunderstanding. This statement has been approved by the Board of Directors.


Matt Mumford

Director, Phasethree Ltd

1st June, 2021

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