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How to Improve Your Home WiFi

Move your wireless router

If your house suffers from weak Wi-Fi, the first step to look at the placement of your wireless router. Make sure it’s out in the open (even if it is ugly) and in the centre of the home if possible, free from obstructions.

Don’t hide it on the floor, behind your computer or TV. try to elevate it – Wi-Fi signals have an easier time traveling down and sideways than up.

Wi-Fi antennae best position

Does your router have movable antennae? The Wi-Fi signal beams out from the sides of the antenna, and up (perpendicular to the router) is usually best so the signal doesn’t shoot into the ground or ceiling.

Update your wireless router

If the weak Wi-Fi continues despite moving the router, the next step to upgrade your wireless router.

The oldest to newest Wi-Fi standard are: 802.11b, 802.11g, 802.11n, and 802.11ac. If you have an older wireless “b” or “g” router you should consider replacing it with a newer wireless “n” or “ac” device that offers longer ranges and faster connection speeds.

Why not be cheeky and ask your ISP to send you an updated wireless router? If you’ve been a customer for a while it should help you out, but watch out if it asks you to sign up for a longer term, unless you’re happy with its service.

Though these newer routers may not significantly increase the range of your wireless network, you should at least get better speeds at longer distances.

Netgear wireless router 802.11ac

You wont get the maximum range and performance from the newer wireless router unless your computers, smartphone or tablets also use the same Wi-Fi standard. An old laptop is unlikely to boast “ac” or “n” Wi-Fi. Check the specs to see which wireless standard it is using.

Rather than buy a new laptop or desktop PC or Mac you can buy a wireless adapter – from as little as $25 – that plugs into a USB port. You can also add a new wireless adapter inside a desktop PC’s case or via a PC Card slot, but good luck trying that with a Mac!

Create a new Powerline home network

We also recommend considering Powerline adapters that create a fast home network using the electrical wiring in your house. This means you can take your internet around your house without losing much performance. Creating a Powerline home network is as easy as plugging in to a power socket.

Simply plug one adapter into a power socket near your router and connect it to the router using an Ethernet cable (usually supplied with the adapter).

Then plug the second adapter into a power socket in a far-away room. You can then attach this to your smart TV, Sky+ box, games console, laptop, etc, via another Ethernet cable.

Powerline home network set up

This means that you can do without Wi-Fi for more demanding tasks such as streaming HD TV shows or moves from catch-up TV services such as BBC iPlayer, 4oD and Sky.

Powerline adapters act as if they’re directly plugged into your router – even if they’re on the other side of the house. You need at least two adapters, and the best way to buy these are as part of a starter kit.

The best Powerline adapters can also create a new Wi-Fi hotspot right there in the second (or third or fourth) room. These create not merely boosted signals – like you get with a Wi-Fi extender – but close-to-fully performing new Wi-Fi hotspots. They cost more but are much more versatile and provide faster speeds than mere extenders.

Mesh Wi-Fi

A mesh network is two or more routers that work together to provide much wider Wi-Fi coverage in a building than a single router can ever do.
It replaces your existing router’s Wi-Fi, and is pretty simple to set up.

You attach one of the units from a mesh Wi-Fi kit to a spare network port on your router, and it creates a new Wi-Fi network to which all your Wi-Fi-hungry gadgets connect.

Mesh Wi-Fi kit

Then you place the second (and third if required) mesh device somewhere else in your house – usually on another floor. The devices all talk to each other and create a single super Wi-Fi network that’s both strong and fast across your entire home.

Wi-Fi Extenders

A new wireless router or Powerline Adapter with built-in wireless are the two best options, but can cost more than a simple Wi-Fi Extender. The best Powerlines, with wireless functionality, we tested cost from around $50 to $150. Wi-Fi extenders such as TP-Link’s TL-WA860RE or AC750 are priced around $20.

Wi-Fi extenders catch a wireless signal and then rebroadcast it, helping to strengthen the signal from a router on a different floor of a house or on the opposite side of a building. It should be noted that they can also drag down your network’s performance.

WiFi extender home booster repeaters

A repeater uses half its internal antennae to receive a wireless signal and the other half to transmit a new signal – effectively halving the potential speed of the device’s network connection.

This shouldn’t be that noticeable for light web browsing, email, etc, but can be felt when streaming video or moving files around the network. That’s why we prefer Powerline for the more demanding tasks.

Wi-Fi extenders share the bandwidth with the router. Wi-Fi speeds are slower because it’s sharing the data between the router and the extender, whereas the Powerline simply acts as a single device (not sharing the bandwidth) and so you get stronger signals.

The Wi-Fi extender needs to be placed in a central location, not too far away from the main router. If you put the repeater at the far edge of your main network hoping to strengthen the signal you will reduce the speed of your connection to the rest of the network and to the internet.

Remember that the extender is just boosting the signal. If it’s placed in a weak-Wi-Fi spot then it will merely push around that weak signal. Place it in an area with better Wi-Fi and the signal it pushes out will be stronger, too.

The ideal location for a range extender is half way between your main router and the intended wireless devices – in an open corridor or spacious room rather than a crowded space. It should be away from interfering devices such as cordless phones, Bluetooth gadgets and microwave ovens.

Bands on the run: 2.4GHz or 5GHz wireless

We need to explain the difference between Wi-Fi bands. We’ll try to keep this as technically simple as possible.

Wi-Fi can work over one of two spectrum bands: 2.4GHz or 5GHz.

The trade offs between 2.4GHz and 5GHz have to do with interference, range, and speed.

Manufacturers claim that 2.4GHz routers or extenders can reach up to 300Mbps speeds, while 5GHz devices have a theoretical maximum of 450Mbps. Dual-band devices are therefore sometimes rated as 750Mbps. Remember that these claimed speeds are theoretical maximums, and you won’t be getting anywhere near these speeds, but you can achieve perfectly acceptable wireless performance using such devices.

2.4GHz vs 5GHz wifi radio bands

Each band has its limitations, however.

2.4GHz devices face a battle for the available space, and so cause interference between each other. The 2.4GHz band is also divided into overlapping channels. The more overlap, the greater the interference among networks located closely together.

Switching to 5GHz alleviates the channel problem because so many more channels are available – and without any overlap – in the 5GHz band.

But 2.4GHz does have one big advantage over 5GHz: range. The shorter wavelengths used in the 5GHz band cannot penetrate as well through seemingly solid objects like walls, ceilings, desks, and, yes, people.

The more interference, the less speed and range; the greater range you want, the less speed you can have; the greater speed you want, the more you have to mitigate interference and work closer to an access point.

A dual-band (2.4GHz and 5GHz) Wi-Fi extender, like the TP-Link AC750, should offer the best of both worlds. The same goes for Powerline adapters.

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