Insights, Guides & Security Know-How
Practical advice on surveillance, networking, and electronic security — written by the SGS team to help you make smarter technology decisions.
How to Choose the Right CCTV System for Your Business
Analogue or IP? How many megapixels do you really need? Where should cameras go, and how much storage is enough? This guide walks you through the key decisions — so you invest in a system that actually fits your premises and budget.
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NVR vs DVR: Which Recorder Is Right for You?
The difference between network and digital video recorders — and how to pick based on your cameras, cabling, and future plans.
Power Over Ethernet (POE) Explained Simply
How one cable can carry both data and power to your cameras and access points — and what the different POE standards mean.
Biometric vs Card Access: Choosing an Entry System
Fingerprints, facial recognition, MIFARE cards or PINs — the pros, cons, and best-fit use cases for controlling who gets in.
Planning a Network for Multi-Site Security
How to connect and centrally manage surveillance across several locations without blowing your bandwidth or budget.
How Much Storage Does Your CCTV Really Need?
A simple way to estimate recording capacity based on camera count, resolution, frame rate, and retention period.
5 Signs Your Security System Needs an Upgrade
Blurry footage, blind spots, failing hardware — the warning signs that it's time to modernise your setup.
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