Advice please on simple wifi booster/extender/repeater

I hope I won't get blinded by science, but I'm still trying to figure out the differences between a wifi repeater, extender, and booster - so it's hard to work out exactly how to phrase this request for advice!

Here's the picture. I have FTTC broadband, recently switched from Plusnet to Zen. So Zen supplies a Fritzbox router 7530 AX as part of the contract. After a few hiccups with the initial switch, it seems to be working well and reliably.

I/we are not heavy internet users - a little streaming, no gaming, no doorbell cameras etc, basically just home/domestic use for browsing, emails and occasional Zoom/Teams online meetings. So high-speed/high capacity is not crucial.

The router gives us a decent wifi signal within our - fairly modest and modern - house. No thick stone walls or metal barriers. Our laptops and mobile phones connect by wifi anywhere in the house, and the TV also connects wirelessly if we do occasionally want to see iPlayer programmes.

We are now looking at making more use of a separate log-cabin style carport/ summer-house in the garden just about 10-15 metres from our house. It has more or less clear line of sight to our router which is in an upstairs study, and it is - just about - within range of its wifi. We would like to be able to use laptops out there. This separate summerhouse has mains power. But putting in a cable (Ethernet) would be hideously complicated and costly.

So.... we are wondering if it would be possible to get some sort of simple, inexpensive wifi "booster" to connect with our Fritzbox router and give a better wifi signal in that garden location. The choice, and tech spec, of repeaters/extenders/boosters seems wide, and complicated. Zen offers a Fritz Repeater 3000, but it is not cheap to rent (£9 per month) and it sells retail at over £200. We'd like to buy some kind of wifi booster that will work with our Fritzbox 7530 router, be simple to set up, and will give us a rather better wifi signal in the garden room. Ideally for not more than £50, if that's not unrealistic.

Any and all suggestions gratefully received - and technical/practical comments on options and points-to-consider would also be welcome.

In reply to a post by br1anstorm:

Ideally for not more than £50, if that's not unrealistic.

I would say you really need a good external wifi access point but with only £50 your options are going to be limited at best. Others may think differently.

Is the router in your upstairs study as close as physically possible to the cabin? If you can place it in a window as close as possible to the cabin then you may find you get enough signal. If that doesn't give you enough signal then I am not sure where you would put a repeater as it would already be as close as possible and I am assuming you can't put a repeater halfway between the house and cabin. The only option then would be a repeater in the cabin potentially with a high gain aerial to pick up the best signal it can from the house - haven't done this myself so not sure what is available to provide for that.

A powerline/wifi extender
https://www.google.com/search?q=powerline+with+wifi+...
Not a recommendation, but something typically used in a situation like yours , the device uses the mains wiring , as you say the garden room has mains power , something like this are relatively cheap and easy to use

Personally, I'd run an external ethernet cable out to the cabin, and put a cheap wifi AP on the end. Something like the TL-WA801N. You can get external cable that can be direct buried if you want to cut costs, but conduit would be preferable.

You can get another Fritz!Box 7350 on eBay for less than £50.

As long as the signal from the original router is strong enough, you can set up a mesh system.

Op already said:

But putting in a cable (Ethernet) would be hideously complicated and costly.

Thanks for those various suggestions offered so far. As I suspected, it looks there are several different ways of skinning the cat. I'd like to narrow it down a bit, and keep things simple.

In terms of the actual need and usage, I'm not setting up a complex network with multiple users and a host of appliances - so it's not like the kind of network that a hotel or corporate office might need. I just want to have a good wireless signal for internet access in one remote location (the cabin) that is just about at the limit of the Fritzbox router's range.

I am ruling out the option of running an external ethernet cable from my Fritzbox router out to the cabin. That is just too physically disruptive, running a cable downstairs to the ground floor, under that floor, and then out to the cabin either via the existing armoured-cable conduit (which is buried in a trench 2 ft underground) or in a new separate trench. Just not realistic or practical.

Which seems to leave two alternatives. One is some powerline/powerplug gizmo which is wired by Ethernet to the Fritzbox router, plugs into a mains socket in the house, uses the existing mains power cable to connect out to the cabin where a similar gizmo plugged into a mains socket delivers wifi (or an ethernet wired link) to a laptop within the cabin.

The other is some kind of device - a wireless access point or repeater?- which relies entirely on wireless links. A device which links directly by wifi to the router in the house and in effect re-transmits (and boosts) the wifi signal within the cabin, thereby extending the range of the wifi to enable a laptop tn the cabin to receive and connect reliably to the internet.

I've been looking at the TP-Link products, and am trying to figure out the difference between a Powerline Adapter (as per my first option above) , a Range Extender (like the RE550 AC1900) , and a Wireless Access Point (like the WA801N mentioned above). What are the pros and cons of each?

Cost is one consideration: I don't want to spend a large amount. And the other is signal-quality. I don't want to set up something which delivers a wifi signal in the cabin which is only marginally stronger that what the Fritzbox currently delivers at the limit of its range.

And I don't want something which significantly slows down the speed of the internet connection in the house or in the cabin (I don't understand the talk of "backhaul" etc, but that does seem to matter).

More thoughts would be welcome!

power line such as

https://www.currys.co.uk/products/tplink-tlwpa7517-a...

would be better along with an old router configed as a wireless access point(dhcp off and any nat settings off ). The main problem with cheap wireless extenders is that they can reduce bandwidth by up to half.

powerline though, is a tech that hasn't been updated for a few years now, and really in some ways is a dead tech but does work (it is variable in speed though). But would work for your situation.

If you can only just get a signal in the cabin then all a wireless repeater would do is repeat the signal at that same strength - it can't "boost" it. So, if you can only get 1Mb in the cabin from the router then that is all a repeater would be able to offer. Powerline is probably the best bet and you can get powerline devices that have built in wireless to provide the service inside the cabin. The only thing is Powerline is not something you can predict so until you try it you won't know if there are any potential issues or if the speed is good enough - I know people in the past have bought devices to test from Argos as their returns policy is generally pretty good (if you can open the box cleanly and repackage then you could return if it doesn't work well enough.

Something like this may do the job just fine (don't read much into the "speeds" they say as realistically these are fantasy.

In reply to a post by Taras:

power line such as

https://www.currys.co.uk/products/tplink-tlwpa7517-a...

would be better along with an old router configed as a wireless access point(dhcp off and any nat settings off ). The main problem with cheap wireless extenders is that they can reduce bandwidth by up to half.

powerline though, is a tech that hasn't been updated for a few years now, and really in some ways is a dead tech but does work (it is variable in speed though). But would work for your situation.

That's an idea that appeals. I don't need state-of-the-art cutting edge tech. And I have an old Netgear router. I'm learning that a wired or part-wired connection (eg using the mains wiring) is better because it doesn't reduce bandwidth/speed in the way that a totally wifi extender would. If powerline still works, that may well be the way to go....

I'll start looking at the price and spec of whatever kits are available. The TP-Link TLWPA8631 kit is a bit more costly than the 7517, but has the convenience of passthrough mains power sockets. Ah, choices, choices!

In reply to a post by br1anstorm:

(snip) If powerline still works, that may well be the way to go....

I'm sure that they do work for a lot of people but, when I tried them, I found that they in fact provided less bandwidth than the weak wifi signal I was already getting. I'm not an electrician but my imperfect understanding is that to work effectively, the transmitter and receiver need to be on the same electrical circuit.

In reply to a post by longedge:

the transmitter and receiver need to be on the same electrical circuit.

I use to have a remote door chime that worked in a similar way to these powerline adaptors and like you say it only worked when on the same electrical circuit/ring.

Edited by PCJM40 (Thu 27-Feb-25 13:49:07)

I've had them on separate circuits on the same consumer box and they have been ok - but that was some time back and older technology. It very much depends on how the electrical circuits have been designed and how much noise there is on them. It can work really well but equally can be almost unusable. I have considered them now but the technology isn't fast enough so a wireless mesh inside the house is better but that is for a 500Mb FTTP connection, for a FTTC connection there is a good chance that they could work fine.

newer circuits work better than older ones, the biggest problem with them is that you get constantly variable speeds I've currently still run mine as a bridge till i get my fibre thru to the sitting room.

Edited by Taras (Thu 27-Feb-25 14:56:43)

In reply to a post by longedge:

In reply to a post by br1anstorm:

(snip) If powerline still works, that may well be the way to go....

I'm sure that they do work for a lot of people but, when I tried them, I found that they in fact provided less bandwidth than the weak wifi signal I was already getting. I'm not an electrician but my imperfect understanding is that to work effectively, the transmitter and receiver need to be on the same electrical circuit.

Aaargh... that was an angle that hadn't occurred to me. I'm not an electrician either. But it does seem to make sense that if the two powerline adapters are connected into the same electrical circuit or ring-main, then there will be a decent and relatively noise-free connection between them. Whereas (and this would be the situation in our case) the transmitter adapter would be plugged into a mains socket in the upstairs study (the ring main serving all the sockets on the upper floor) while the receiver adapter out in the cabin would be plugged into an entirely separate mains-supply circuit fed to the outside cabin from a separate breaker in the consumer unit/fusebox under the stairs.

I suspect, unless anyone can correct me, that this would mean the powerline connection via two different and separate mains circuits might not work at all, or would be subject to a great deal of interference or degradation. I could buy a powerline kit and simply try it, but it looks as if it might be a fruitless exercise.

If that is so, then it's back to the drawing board and revisiting the other option of a repeater/extender based entirely on linking directly to the router by wifi. Seems as if a repeater cannot provide better/faster internet connection than the router on which it depends. So the critical requirement is to keep any slowdown or bandwidth restriction to a minimum. And I guess that depends on the tech spec of the repeater itself (which is where I think this business comes in about which channels/frequencies it uses and what "backhaul" is....)

More thinking, more homework, and more ideas needed!

In reply to a post by br1anstorm:

more ideas

20m ethernet patch lead. Throw one end out of the window when you want to internet in the summer house. Coil it up again each evening. £20 plus the cost of a 2nd hand router to give you wireless in the summerhouse. If you are going to cheapskate it at £50, you could do this for £30, or £20 if you already have a spare router. If you do it this way, at least you will find out over the summer whether Internet in the summerhouse is worth spending the money for a permanent cable or whether coiling up the cable every evening is just too much bother.

Can you easily get a cable from the router to outside the house?

If so, get a outdoor AP, mount it on te wall facing te summer house, connect up and off you go ...

In reply to a post by br1anstorm:

More thinking, more homework, and more ideas needed!

If you are happy to plug in a USB antenna into the laptop, and use 2,4mhz, then there are plenty on the bay for about £30, look for "long range wifi", I got one years ago for IIRC £15 as a cheap trial and have been using it ever since in the van, if you want to wait a week or two I could retrieve mine from the van (parked at our other house) and try it from the bottom of our garden where wifi is marginal, to see what speeds might be achieved, in fact I might try it myself just to get some figures on how well it works.

In reply to a post by DFScale:

20m ethernet patch lead. Throw one end out of the window when you want to internet in the summer house. Coil it up again each evening. £20 plus the cost of a 2nd hand router to give you wireless in the summerhouse. If you are going to cheapskate it at £50, you could do this for £30, or £20 if you already have a spare router. If you do it this way, at least you will find out over the summer whether Internet in the summerhouse is worth spending the money for a permanent cable or whether coiling up the cable every evening is just too much bother.

Ah, I like your style! And we think along similar lines. For years I did a similar thing with mains power extension leads. Lacking a weatherproof external power socket, whenever I needed to mow the lawn, run a power drill outside, or a battery-charger on the car, I would sling a 13amp extension lead out of the kitchen window. plug the device in, do the job, and then haul the extension lead back in when the task was done. It worked fine, but became a bit tedious. When I built the cabin, I therefore had an external weatherproof 13amp socket fitted.

So yes, I could do the same with an Ethernet lead. It would work, I guess. And I have an old router to put on the end of it in the cabin. But dangling a cable from an upstairs window, across a patio and lawn to the cabin, would be even more inelegant, and my wife or I would probably soon get fed up with it!

If I can find a neater and more discreet option that works and doesn't cost big bucks or require trench-digging or hole-drilling, I'd rather go down that route. A dangling cable has to be last resort....

In reply to a post by MHC:

Can you easily get a cable from the router to outside the house?

If so, get a outdoor AP, mount it on the wall facing the summer house, connect up and off you go ...

I'd like to look at the feasibility of this. It might be an option. I could get a cable (just to be clear, are we talking an Ethernet lead, not a co-ax cable?) from the Fritzbox router in the upstairs study, out of the window and down to the wall facing the cabin.

But can you give me a bit more of a steer on an "outdoor AP". Make, model, shape, size, specification? Does it need its own power supply? Cost?

In reply to a post by burble:

If you are happy to plug in a USB antenna into the laptop, and use 2,4mhz, then there are plenty on the bay for about £30, look for "long range wifi",

I'm up for whatever might work. I'll look at this and see what's available. It might turn out to be an easy option.

Your modest home will have a single phase electricity supply, i.e. only one live conductor and only one neutral coming in to the consumer unit from outside. All the live conductors to the upstairs and the cabin sockets and any circuit breaker contacts that they pass through will be capable of carrying 20 amps at 240 volts with little resistance and they will all be bonded to the incoming live conductor and thus to each other. Similarly with the neutral conductors. Thus in principle powerline adaptors should talk to each other on different circuits.

But another aspect is high-frequency interference impinging on high-frequency data transmission and here we move from science to art. Data links subject to interference lose bits of data but they have ways for dealing with this, including retransmitting the missing data. When the interference reaches a high level the data transmission is degraded and at a certain point can fall over completely.

The point is not directly about different circuits, more that different circuits likely run around different places where there is opportunity for interference to get in and for the wanted signals to be impeded. More joints potentially introducing resistance, and loops and adjacent cables providing opportunities for inductive and capacitive coupling.

Typical sources of interference are electric motors (e.g. pumps in appliances) and power supply units for electronic devices.

So you can understand why you have not been given a definite answer as to whether they will work. If your mains wiring has been done well and your area is electrically quiet they may work. You have a right to return anything bought online within 14 days of receipt.

Yes, an Ethernet cable and you would select an AP that use PoE (Power over Ethernet). A small PSU known as an injector sits by the router, and the router connects to the injector which then combines power and data on the outgoing port which cnnects to the AP. That gives you a powered AP.

I would recommend looking at some of the Ubiquiti ones but they are not cheap and around £160 + Injector and you need the UI software to manage it. So possibly not for you .... There are possibly cheaper options that others may know of.

Slightly more than op was looking at spending (£67) but a wireless p2p link would work well as long as you have line of sight
https://www.broadbandbuyer.com/products/19215-tp-lin...
Tplink P2P

There are 2nd hand Unifi Aps on ebay from £20. It may not be widely known but Unifi does support wireless uplink e.g. mesh mode.

Not the easiest but if you want reliable consistent wifi then they are hard to beat.

You may still find that powerline works fine and could even be as fast as your Internet connection - if you can get them on sale or return (or from somewhere with a good returns policy) then you can try them and see. It potentially could be your simplest solution and has a reasonable chance of working ok.

If going for a wirelss link, I would go for Ubiquiti NS5ACLoco. I use them personally and they are rock solid with 300Mbps easily achievable and can be pushed even more.

Thanks for those latest half-dozen posts. I always knew there would be a range of possible solutions. Making a decision isn't easy.

@Thinker27 clearly understands mains wiring. I don't! All I can say is that our simple domestic house wiring is about 30 years old. It was checked and modified a year or two ago when we had a new kitchen installed, and the consumer unit/fusebox was replaced with an up-to-date unit. There was already an external circuit to the garage in which there is a further fusebox with RCDs. And now for the summerhouse/cabin we have another external circuit feeding the cabin lights and power sockets through a fusebox also with RCDs.

I have a suspicion that this configuration might mean there will be some 'noise' or interference if we tried to set up a powerline link between router in upstairs study and laptop in cabin in garden, as this would travel via upstairs ring-main, household consumer unit, external power-supply to cabin, fusebox in cabin, and then to power socket. But as others have said, there really is no choice but to try it and see. So I might look to Argos for a sale-or-return kit like the TP-LINK 300M Wi-Fi Extender Booster & 600MBPS Powerline Kit at £45, rather than buying via eBay.

Can I suggest you post a plan view sketch of your home (upstairs) and 'cabin' with location of your router indicated.

That may make it clearer so suitable options are suggested.

I like the suggestion of an internal upstairs Ethernet cable to a location overlooking the cabin.
Then provide a wireless AP there, but internally (ideally by a window)

Ethernet cable out of the study window and an outdoor Access Point on the wall is beginning to look like a costly, as well as a slightly untidy option.

The requirement is modest - I'm not setting up a working-from-home office in the garden cabin with lots of IT equipment, just looking for an arrangement which allows us to check emails and browse if we are sitting out there on a sunny day.

Powerline may work if there isn't too much interference.

Otherwise, either I have to try to ensure that the wifi signal from my router is strong enough, or can be boosted/ extended far enough, to cover the cabin. Or I have to have something (maybe a special antenna?) to use on our laptops in the cabin which is able to "pull in" the wifi signal from the router at the limit of the router's range.

I'm not wedded to a £50 limit.

But I don't want to spend megabucks when the requirement is actually pretty modest. And I am wary of any system which requires a lot of setting up, programming, managing via phone apps, and all that.

At first glance the TP-Link Pharos outdoor PtP link looks a bit complicated and sophisticated for my needs.

From my experience, with a similarly aged house and wiring, and experience of others with a variety of houses and electrical wiring, powerline will work fine enough for your purposes.

Obviously the caveat is as others have said, that it still might not work in your very specific circumstances, but having installed it in a variety of houses, it has always worked well enough for me.

In my experience, the powerline devices don't always last forever so picking up second hand devices might be a false economy.

I'm trying to understand the practicalities of the Wireless Access Point (WAP) options suggested by both @smouty and @MHC.

One point that seems to make a difference with WAPs is whether they have Power over Ethernet, or a separate power supply unit which plugs-in to a 240v mains socket.

There is no Ethernet cable into my garden cabin. If there were, I wouldn't be looking at wireless/wifi access options. But there is a 240v mains power supply.

It thus seems to follow that if I were to fit some sort of WAP at the cabin (to capture and retransmit the wifi signal from the router in the house) it would have to be one which got its power from a PSU in a mains socket, not PoE. Am I right?

Or.... would I have to look at putting a WAP close to the router in the study upstairs in the house (with a relatively short ethernet wire from the router, and/or a power supply from the mains in that room) - which would then transmit a signal over a longer range than the Fritzbox wifi is able to do?

May I suggest this as you needs in the cabin seem modest. https://www.amazon.co.uk/Wireless-Waterproof-Install...
Very simple to install outside your window, and if videos on 'tinternet are to believed, should reach your cabin without issues. It can be wall mounted, or even cable tied to a pole.

The older Unifi AP Pros that I have are PoE but you can also use a PoE injector. The Ubiquiti ones are £10-12 new or a PoE switch starts from £30.

It is a bit of a learning curve setting them up but once done you really don't really need to do anything except occasionally update them. I don't have the Unifi software running unless I need to so they are happy to run 'controllerless'.
Once you have a Unifi setup, it is an absolute doddle to add additional items in the webUI.

My personal experience with powerline adaptors is not great. I have some Devolo units which I used for the same thing, getting internet to the garden and it wasn't great even though both sender and receiver were on their own ring. I would use them as a last resort.

I do have one other thought about an outdoor access point but need to check viability.

Somewhere though, I have some "powerline adapters" that are destined for recycling - if you are interested, let me know, postage and a small charity donation.

In that case, why not just use your mobile 4G/5G. not sure why you would even need to consider extending Wifi, when you can get a mobile contract with lebara or Smarty with enough data for ocassional use for <£5 a month.
A 4G router for £29 if you want to do it properly:
Mercursys 4G router

Edited by wiggsc00 (Fri 28-Feb-25 13:42:44)

I bought my Dad a TP-link thing (the non-Omada version of this I think) https://www.broadbandbuyer.com/products/28345-tp-lin...

to get wifi down to his garage, which is much more than 20m away. The plan was to mount it outside, bit even inside the house it provided enough wifi for this needs. Mounted outside it would have performed even better, but this saved getting the ladder out!

Also don't rule out the Devolo (ethernet over mains units), I've used them even between different consumer units in my house and down 50m of armoured cable too. You may well be able to pick up a cheap pair (you can get a wifi one for down the garden) and a standard one to use in the house.

Edited by mbames (Fri 28-Feb-25 13:51:48)

Yes, it is costly but a possibility if everything else fails. You would need, the right AP too.

In reply to a post by MHC:

Yes, it is costly but a possibility if everything else fails. You would need, the right AP too.

I think for the OP's very small budget the powerline solution once tested is the way to go but the Wifi Access Point would always be my choice as it gives better overall garden coverage.

For years we have used a TP-link extender along the length of our house. The far end is an extension on a separate mains circuit supplied of course from the same meter. Works well and no problems, first FTTC and currently 80/20 Plusnet FTTP. Tests at 72Mb from router and from the TP-Link.

One thing I found: being an old house I checked the original socket connections. After years the copper does flatten and the conductor wire may be loosened. A quick half-turn on the securing screw does the trick and avoids any nasty crackles.

In reply to a post by burble:

In reply to a post by br1anstorm:

More thinking, more homework, and more ideas needed!

If you are happy to plug in a USB antenna into the laptop, and use 2,4mhz, then there are plenty on the bay for about £30, look for "long range wifi", I got one years ago for IIRC £15 as a cheap trial and have been using it ever since in the van, if you want to wait a week or two I could retrieve mine from the van (parked at our other house) and try it from the bottom of our garden where wifi is marginal, to see what speeds might be achieved, in fact I might try it myself just to get some figures on how well it works.

Got the antenna out the van today and did some speed tests.
The set up, 100/20 FTTP which usually runs at 105/22, router is a Sagemcom Fast 5364, antenna is a (el cheapo) Signalking SK-11TN.
Total distance from router to laptop 35yd, obstacles in the way of signal, 1 wattle and daub wall and single sheet green house glass.
With laptop's internal antenna approx 10/5. https://www.thinkbroadband.com/_assets/speedtest/but...
With Signalking 30+/20
https://www.thinkbroadband.com/_assets/speedtest/but...

Thanks @burble, for following up on this and posting your findings.

I'm experimenting with a couple of other arrangements at the moment, but it looks as if a USB antenna may also be worth considering.

I'm trying out a quick, simple, cheap and cheerful option at the moment - a TP-Link WA854RE range-extender/repeater. Doesn't make a massive difference, but choosing the right location between router and garden room does seem to extend the range and gives a stronger signal in the latter location, which is good.

Thanks to another kind forum member I also have the opportunity to try a Devolo Powerline arrangement - which I plan to set up in the next week or two just to see how it performs.

And then maybe I'll go looking for a USB antenna, especially if I feel the need for a better signal further away from the house....

Edited by br1anstorm (Wed 12-Mar-25 18:27:51)

For el cheapo USB antenna's like the SignalKing you need to consider their limitations, for me in the van it works very well, can be positioned and directed to get best signal, and the lead is long enough. For a garden room you might find the length of lead a problem depending on how big the garden room is and where in it you would use the laptop.