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Insights from the Core Comms team

Practical guides, project stories and updates on structured cabling, WiFi, CCTV and the wider network installation world.

Core Comms branded graphic: can you install CCTV yourself, DIY vs professional installation compared26 October 2026 · 6 min read

Can You Install CCTV Yourself? DIY vs Professional Installation

Yes, you can install CCTV yourself, and for some homes it is the right call. Where DIY genuinely works, where it quietly fails, and how to decide honestly.Read more Core Comms branded graphic: single-mode vs multi-mode fibre optic cabling compared by distance and budget23 October 2026 · 5 min read

Single-Mode vs Multi-Mode Fibre: Distance and Budget, Plainly

Single-mode carries light for kilometres; multi-mode is the shorter-range workhorse. How the two fibre types differ, and how distance decides between them.Read more Core Comms branded graphic: how many WiFi access points an office needs, counting coverage and capacity21 October 2026 · 6 min read

How Many Access Points Does an Office Need?

Access point counts come from coverage and capacity together, not floor area alone. How to estimate what an office needs, and when the estimate needs a survey.Read more Core Comms branded graphic: VoIP call quality problems and the network fixes that actually work18 October 2026 · 6 min read

VoIP Call Quality Problems: The Network Fixes That Actually Work

Robotic voices, echo and one-way audio are network faults, not phone faults. The four causes of poor VoIP call quality and the fixes that actually hold.Read more Core Comms branded graphic: CCTV laws for UK businesses, what you can record and where16 October 2026 · 7 min read

CCTV Laws for UK Businesses: What You Can Record, and Where

Business CCTV is legal when it follows the data protection rules: a stated purpose, signage, secure storage and sensible retention. The obligations, plainly.Read more Core Comms branded graphic: the real cost of business WiFi downtime priced from your own payroll13 October 2026 · 5 min read

The Real Cost of Business WiFi Downtime

The cost of WiFi downtime is not a scary industry statistic, it is your own payroll, your own tills and your own missed calls. How to price an outage honestly.Read more Core Comms branded graphic: Starlink Business vs residential consumer dish compared for a commercial site10 October 2026 · 6 min read

Starlink Business vs the Consumer Dish on a Commercial Site

A consumer Starlink kit works on a commercial site right up until it matters. Priority data, the public IP and the SLA are what you are actually buying.Read more Core Comms branded graphic: how many data points an office needs per desk for a structured cabling fit-out8 October 2026 · 5 min read

How Many Data Points Does an Office Need Per Desk?

Two data points per desk is the working rule, and the reasons it flexes matter more than the number. How to count outlets for a fit-out that lasts.Read more Core Comms branded graphic: office WiFi dead spots, what causes them and the measured survey-led fix5 October 2026 · 6 min read

WiFi Dead Spots in the Office: Causes and the Measured Fix

Dead spots are made by the building, not the router. What actually blocks WiFi in an office, why guessing at fixes fails, and how a survey finds the answer.Read more Core Comms branded graphic: keep the same phone number when switching to VoIP, number porting explained2 October 2026 · 6 min read

Will My Number Change When We Switch to VoIP? Porting Explained

Your number moves with you. What porting actually involves, how long each stage takes, and the one mistake that can genuinely lose a business number.Read more Core Comms branded graphic: how many CCTV cameras does a commercial site need, counted scene by scene30 September 2026 · 6 min read

How Many CCTV Cameras Does a Commercial Site Actually Need?

Camera counts come from scenes, not square metres. How to count what a commercial site actually needs, entrance by entrance, before anyone quotes.Read more Office move IT checklist from Core Comms covering cabling WiFi phones and internet lead times for day one27 September 2026 · 6 min read

Moving Office? The IT Checklist That Gets You Connected by Day One

Moving office? The IT timeline that gets cabling, WiFi, phones and internet live by day one, in the order that respects real lead times.Read more Cat6 vs Cat6a cabling guide from Core Comms explaining which data cabling to specify for a new office fit-out25 September 2026 · 6 min read

Cat6 vs Cat6a: What We Specify for a New Fit-Out, and Why

Cat6 or Cat6a for your new office? When the cheaper drum is the right call, when the shielded one earns its money, and how we decide on a real fit-out.Read more Office WiFi keeps dropping diagnostic guide from Core Comms showing the six causes of business WiFi drop-outs22 September 2026 · 8 min read

Why Does Our Office WiFi Keep Dropping?

Office WiFi dropping out? Six causes, from too few access points to crowded radio channels, and how to tell which one you have before you buy kit.Read more Office IT fit-out cost guide from Core Comms covering data cabling, business WiFi and phone system costs when moving office19 September 2026 · 8 min read

How Much Does an Office IT Fit-Out Cost?

Moving premises? A plain guide to office IT fit-out costs, from data cabling per point to WiFi, phones and lead times, so you can budget accurately.Read more Modern VoIP desk phone on a UK office desk, replacing older copper phone lines17 September 2026 · 8 min read

What Is the PSTN Switch-Off? A Guide for Businesses

The UK's old copper phone network is being switched off on 31 January 2027. Here's what changes, what stops working, and how to get your business ready.Read more Office meeting room with a frozen video conference call on the main screen14 September 2026 · 7 min read

Why Does Our Office Internet Freeze During Video Calls?

If your office internet only struggles when the cameras turn on, the problem is usually the network, not the internet itself. Here is how to find and fix it.Read more