WiFi also known as Wireless Fidelity is essentially the same thing as saying WLAN which stands for “Wireless Local Area Network”. WiFi uses radio frequencies in the Gigahertz range to send signals between devices. WiFi uses the frequency at the 2.4Ghz and 5Ghz range. As a note, your microwave uses a very similar frequency at… Continue reading What can limit WiFi signals
A routing table is an information database that is contained within a network host. It lists the routes that different network destinations should take. The table will include information about the network topology directly connected to the host, and therefore allows numerous networks to interconnect. These networks can either be private local networks (LAN) or… Continue reading What is a routing table and do I need one?
A network cable is terminated with eight wires – usually to a jack plug, or socket – using a specification – T568. T568 has two different specifications: T568A and T568B. T568A uses the following pin layout: Green / White Green Orange / White Blue Blue White Orange Brown / White Brown T568B uses the following… Continue reading Patch cable and Crossover Cable – What are the differences?
A typical ethernet cable has eight wires. You also have shielded cables which contain a grounding pin. For an ethernet connection to work, you only need to use four of these wires – two transmit wires, and two receiver wires. This leaves two pairs of wires redundant in most cables that can serve a different… Continue reading What are ethernet splitters
The type of CCTV system that you have installed at your property can vary depending on a number of factors: The size of your premises. Do you want external, internal or both cameras What security needs do you have? Wired or wireless: You’ll need professional help to install wired systems. Do you need to have… Continue reading What CCTV system is right for me?
Every installation can be different – even two houses right next door to each other. However, at the time of writing, it is easy to guesstimate that the following equipment costs usually apply for a quality basic system: 4 channel Digital Video Recorder (DVR) with four camera’s: £250 8 Channel DVR with four cameras: £350… Continue reading How much does it cost to get CCTV installed in the UK?
At my own home, I need access in many locations. Commonly in the back garden, and the office, to the rear of my property – but my main router is located at the front of my property. One of the first major improvements I made was to use a few cheap WiFi repeaters within my… Continue reading My own home network