Explaining wireless broadband or wi-fi, including how to get set up, security and getting the appropriate router.
Wireless broadband, also known as wi-fi, simply means broadband without the wires.
Many internet service providers (ISPs) offer free wireless routers to new customers
To access it in your home, you'll need a wireless router. Once you've got one of these, you can access the web anywhere within its range from any wi-fi enabled device. This should hopefully cover your whole house and save you the hassle of installing extra phone lines.
Wireless can be used in reference to both wireless broadband and wireless networking. The latter refers to a connected internet network, often for a business, while wireless broadband is the more common term used in relation to personal internet use.
Wi-fi access is increasingly common outside the home, with hotspots in certain outside areas and public buildings, plus service businesses offering the public internet access, sometimes for free.
Within the home, setting up wireless broadband can allow you to de-clutter your house of wires and give you more freedom of choice.
You could, for example, site your computer in any room in the house, regardless of where your phone socket is. If your signal reaches far enough, you may be able to browse on your laptop or mobile while sitting in the garden.
No wires means using mobile devices and tablets at home is easy, and it's arguable that the technology would have been pointless without wi-fi. Online gaming has been boosted by wireless internet, and devices such as printers, DVD drivers, even 'smart' fridges, are now often built with wireless capability.
Many internet service providers (ISPs) offer free wireless routers to new customers, but if you already have a broadband contract it's well worth trying to negotiate a free router from your provider.
If you decide to purchase your own router you'll need to make sure you buy the right one for your broadband connection.
Security risks can be easily remedied by encrypting data and setting up a password
If you have an ADSL broadband connection (ie your connection is via a phone line) you'll need an ADSL router, whereas if you have a cable connection you'll need a cable/DSL router.
If you buy the wrong router for your connection, it won't work.
If you opt for wireless broadband, it's important that you take security measures to prevent other users or computers gaining access to your connection.
If your wireless network is left unsecured it could slow down your connection. It may allow a neighbour, or even a passer-by, access to your broadband with any wireless-enabled device.
It could also result in the theft of your personal data, such as credit card or online banking details.
But this shouldn't put you off wi-fi. These risks can be easily remedied by encrypting data and setting up a password.
This password comes in the form of a wireless encryption key - a series of numbers, letters and characters that turns data into code and makes hacking more difficult.
There are two types of encryption key - Wired Equipment Privacy (WEP) and Wi-Fi Protected Access (WPA).
WEP encrypts data before it's sent over the internet. If you've set up WEP security on your wireless router, anyone wanting to gain access to your network will be asked to enter a password before they can use the internet.
Most routers come with instructions on how to secure your wireless connection
WPA or WPA2, which has replaced WPA in more modern wi-fi devices, are wireless broadband encryption methods that are far harder to crack than older WEP codes.
As an alternative to WEP and WPA, access control allows you to create an access list of the computers that are allowed to connect to your network. This takes security to the next level - it may not be necessary for your domestic needs, but consider your circumstances.
Most routers come with instructions on how to secure your wireless connection. Alternatively, speak with your ISP.