Tech Basics

What’s the difference between 802.3af, 802.3at and 802.3bt PoE?

A lot of the Ubiquiti devices we discuss about here on A&T Tech are powered by PoE, or Power over Ethernet which uses the other pins in the ethernet cables to power network devices up, such as access points, IP cameras, speakers and even LED light panels. Even wall clocks can be powered by PoE. But as with everything in networking, the IEEE has a few standards for PoE to […]

What is an IP address?

Surprise, you’re using an IP address to even get to this website. Without IP addresses, the internet would not work as we know it today and the actual technology dates back to when the very first networks were being designed. What is an IP address then? So IP stands for “Internet Protocol” and every device on your home network, office network or any network has an IP address and every […]

How To: Check your WiFi RSSI on macOS

In day to day life of using computers, we use WiFi an awful lot and sometimes it may load slow or not work for some reason. That a lot of the time can be down to the signal level your device has, well in this ‘How To’ we’re going to show you how to check the signal level or actually the RSSI (Recieved Signal Strength) in decibels so you can […]

How To: Enable right click on a Mac

If you are a new Mac user, the way you right click using the Apple Magic Mouse can be a bit confusing. By default, the right click doesn’t work the same way it does on Windows, so this guide will show you how to make the mouse right click in a way which is the same as Windows. Step 1 – Open System Preferences      

How To: Update your Mac

Updating all of your devices is important, manufacturers are constantly refining and improving their products by providing free software upgrades throughout the life of the device, none is better at doing this than Apple and with the Mac. With macOS, models from mid-2010 are still being supported on the latest software and they still run well. While updating your software to get the latest features may be one of the […]

What is the Activity app on iPhone?

In our latest ‘What is?’ article, we’re going to explain what the Activity app is on your iPhone, what it does and what the basic features are. What is the Activity app? Generally on the iPhone, the Activity app will appear on your home screen if you have paired an Apple Watch with your phone, the app won’t appear unless you have an Apple Watch or have previously paired one […]

What is Mac Time Machine?

Own a Mac and always wondered what Time Machine is or wanted to know how to easily back up your Mac? What is Time Machine? Time Machine is a built in feature to Macs that makes backing up your pictures, music and documents very easy, it’ll keep a day by day snapshot, so you can restore the entire operating system back to a specific day if that is ever a […]

What is DHCP?

In our latest ‘What is?’ article, we’re going to explore exactly what DHCP is and what a major role it plays in how our devices connect to wireless and wired networks. In our last What is? article we covered what DNS is and how that affects how the internet is routed behind the scenes. What is DHCP? DHCP or Dynamic Host Configuration Protocol is one of the main protocols of networking, […]

What is DNS?

In our latest ‘What is?’ article, we’re going to explore exactly what the Domain Name System or DNS actually is and also what it does as to even get to this website it involved the use of a DNS server. What is DNS? DNS effectively is a server or internet service which translates domain names into IP addresses. Behind the scenes the internet operates using IP addresses as if routers, computers, […]