How To Choose and Install an External 4G or 5G Mobile Broadband Antenna

Like with so many of our utilities, we only really notice them when there’s a problem or they’re not working properly. Wi-Fi is just the same! Just like when the power goes out, if your Wi-Fi is on the blink then you know about it – And it is so frustrating! 

Whilst most people are lucky enough to connect to superfast broadband through a wired connection, there are also many rural homes that cannot access and connect to broadband or internet in the same straightforward way. 

Here at Geekabit, we work with lots of people – Businesses and homes – who struggle with the more traditional ways of connecting to the internet and have to turn to mobile broadband through 3G, 4G and 5G. 

And again, many people are lucky to have a business or home within range of a strong enough UK mobile broadband network.

‘Could I benefit from an external antenna?’

There are some more remote rural homes and businesses that find themselves struggling to connect to mobile broadband too. If your business or home is:

– Unable to connect to a decent fixed line ISP 

– Within range of a mobile broadband alternative but find it unstable on various operators

Then you might find it beneficial to get an external antenna installed. But which one do you need? 

Are External Mobile Broadband Antennas Easy to Install?

In terms of actually installing an external antenna, it’s actually pretty straightforward. All you need to do is choose a high, stable location on the outside wall of your house near the roof, and screw the antenna on. Remember to make sure it’s pointing in the right direction (ie. towards the nearest mast). 

You might also choose to mount your antenna on a pole to raise it higher than your house. If you’re going for this option, always make sure that it is stable and won’t cause any damage to the building you are mounting it to. It’s also worth liaising with your local authority before installing a large pole as in some areas, a tall pole could be in breach of planning rules. 

You will also need to drill the cable into the house – It’s very important to avoid any other electrical cables and water pipes whilst you are doing this as well as sealing up the holes afterwards. 

It’s also pretty important to keep the position of your router in mind. Will it be placed near the where the cable feeds into the building? Ideally, the cable between your antenna and router needs to be 5 metres or less otherwise you could find yourself struggling with interference and/ or signal loss. 

If that all feels a little daunting then you can hire a professional installer to do the job for you – Our expert Wi-Fi engineers here at Geekabit can do just this! We operate out of Hampshire, London and Cardiff.  

Whilst the physical aspects of installing an external antenna are quite straightforward, it’s not always easy to choose the right kit. The radio spectrum is variable by nature, which makes it very dependent on your environment. You might manage to install the antenna but not get the outcome you were expecting. 

What antenna you need depends on your specific location and needs. This blog will outline some of the options that could be right for you. Sometimes it’s a case of trial and error to find the right antenna for you – But that’s where it might be best to leave it in expert hands. 

‘Do I need an Omni-directional or Directional antenna?’

When it comes to installing an external antenna, the first thing you need to decide is whether you need an Omni-directional antenna or a Directional antenna. 

Choosing a Directional antenna

If you know where your nearest mast is and have a clear line of sight, then the Directional antenna might be the one for you. Whilst it’s weaker in other directions, the Directional antenna will have higher reception in one direction, hence why it works well for a clear line of sight with the mast or base station. This is often the better choice if you live or work in a rural area. 

What problems can you have with a Directional antenna? 

Using a Directional antenna can run into issues if the station is congested or goes out of service. E.g. during upgrades. 

Choosing an Omni-directional antenna

If you live or work in a more urban, built up area and aren’t sure where the nearest mast is then an Omni-directional antenna could be the better option for you. Whilst they have a lower overall gain, they are able to attract similar reception from all directions. Because the Omni is looking at a wider area, you may find that it provides better reliability. 

Generally, if you are finding and installing an external antenna yourself, then the Omni-directional antenna is probably the one to try first. 

What problems can you have with an Omni-directional antenna? 

It’s possible that because it’s looking at a wider area, the Omni could attract more interference. If you are able to utilise a well positional Directional antenna then you could get better performance that way. 

‘How much power does my external antenna need?’

So you’ve decided whether you need an Omni-directional or Directional antenna. What do you need to consider next? 

You’ll notice that antennas have gain figures in dB / dBi – This is how the power of the antenna is measured. 

In simple terms, the gain of an antenna is the relative measure of its ability to direct radio frequency energy in a certain direction or pattern. What do the gain (dB / dBi) figures on an antenna mean?

We could go into a lot of complicated detail here, but seeing as we’re writing this blog for someone looking to buy and install their own external antenna, we’ll keep it super simple. 

Basically, the higher the gain (dB / dBi) the better the antenna’s performance and range. Obviously, the higher the gain, the more expensive the antenna will cost. 

When you are at this stage of choosing your antenna, it is worth knowing what bands your mobile operator uses so that you can ensure how the different gain values given for an antenna correspond to the spectrum band you will be using. 

‘Choosing an external antenna – What are the challenges?’ 

As we said above, when you are installing a new external antenna, it’s really important to know:

  • Where and which direction the signal is coming from 
  • How strong the signal is
  • Which bands are being used in your local area by local operators

These are some of the biggest challenges you’ll face when installing your antenna. 

‘How can I find out the spectrum information I need to choose an antenna?’

If you go online to mobile operator’s websites you can find coverage checkers (Vodafone, Three UK, O2 and EE (BT)), but these can be rather vague and not always accurate. It’s worth comparing to what Ofcoms Mobile Coverage Checker says too.

Perhaps the best way to identify which bands are being used by your local operator is to download a relevant app or look up the mobile network details on your Smartphone or router. 

These apps will often just tell you the band number for your own operator rather than tell you the spectrum frequency. You’ll find that operators tend to own several bands, but usually use one band for national connectivity. 

What are the most common 4G Mobile Bands in the UK?

800MHz (Band 20)

900MHz (Band 8)

1800MHz (Band 3)

2100MHz (Band 1)

2300MHz (Band 40)

2600MHz (Band 7)

Remember that 5G uses a different band model and is currently only deployed on the 3.4GHz band. 

‘How do I know where my nearest mast is for installing my new antenna?’

So you’ve made sense of the bands on offer in your area from local operators. Next you need to work out where your nearest mast is and whether it’s the most appropriate for your location. Unfortunately it’s not always the option that looks most logical! 

When you’re choosing the most appropriate mast for your use, you need to consider the following:

  • Forms and features of local land surfaces (artificial and natural)
  • Local surroundings
  • Operator choice

There are apps and websites that can help with this such as Mastdata.com and Cellmapper.net. The Opensignal app could also be of use.

Did you know that operators also have sharing agreements with each other? Just to make things a little more complicated. For example, there is a sharing agreement between Vodafone and O2 as well as between EE and Three. What does this mean? Well it means that a mast could be serving more than one operator. 

How do I use signal strength information to position my external antenna?’ 

If you are able to gain an understanding of signal strength in a few different measurements, then you are more likely to position your antenna correctly. 

Signal strength is measured in quite a few different ways, so we’re going to just focus on a few that you are most likely to encounter. These are:

  • Received Signal Strength Indicator (RSSI)
  • Reference Signals Received Power (RSRP)
  • Reference Signal Received Quality (RSRQ)

These measurements are given by a negative dBm (decibel milliWatts) value. In this situation, negative values are actually good (most of the time). They are negative because they represent tiny yet positive numbers on a logarithmic scale, making them easier to consume. For example, -100dBm would be 0.0000000001 mW.

What is a good RSSI signal? Essentially, the closer to 0 dBm, the better the RSSI signal (although it does get more complicated past a certain point with diminishing returns of data speed). An example of excellent 4G RSSI signal would be -65 dBm. A poor RSSI signal would be -85 dBm. 

RSRP works on a similar scale to RSSI, where an excellent 4G RSRP signal would be -80 dBm.  

RSRQ operates on a very different scale, which means that an excellent signal is anything from around -10 dB (not dBm) and a poor signal would be -20 db.

Interestingly, most mobile modems are able to maintain a pretty fast data connection using a poor signal. Problems may arise however in more rural areas where speeds are slower and stability poorer due to the distance from a mast. 

What factors are most likely to affect signal strength? 

  • Distance to mast
  • Interference from competing signals
  • Router band switching
  • Physical obstacles in the environment like buildings, tall trees etc
  • The weather

Of course, these factors are not in your control, but you need to bear them in mind when positioning your antenna in order to get the best signal possible. 

Feeling confident about choosing and installing your external antenna?

If you are about to choose and install an external antenna to improve your 3G, 4G or 5G mobile broadband signal, then hopefully this blog has given you some of the basic information you need to make your decisions. 

If you’re still feeling a bit daunted, then why not get in touch with one of our Wi-Fi experts? We’ve been installing mobile broadband for clients in and around Hampshire, Cardiff and London for a while and can help identify which antenna solution would best suit your needs. Get in touch today! 

How can I improve my 4G signal speed?

Is there anything worse than slow Wi-Fi or a poor data connection? Waiting for a webpage to load or watching a video b-b-b-buffer. It is so frustrating! 

 

More and more people are now opting for 4G or 5G cellular connectivity in their homes, replacing fibre broadband that’s too slow. Many households are also using 4G/5G connectivity as a back up in the form of hybrid broadband. 

 

Why do people choose cellular broadband? Sometimes it’s because of the price of regular wireless broadband, which can be expensive – Especially in more rural areas where it’s also slow. In these instances, cellular signal if more often than not a faster option. 

 

4G LTE and 5G do have their own restrictions though. Slow data rates on 4G LTE and 5G are also common. But is there a way to improve your 4G signal speed and data rates?

 

How Can I Improve My 4G LTE or 5G Speed?

 

There are three main things you can try to help improve your 4G and 5G data rates:

  1. Update your Device

    If you are using old devices, you may only be connecting to older bands. Using a new phone, tablet, laptop or hotspot could help you to connect to new bands. The newer the device, the more likely they are to support a newer version of the 4G LTe or 5G spec, which would in turn bring you faster data rates.

  2. Try using External Antennas

    Many major carriers have hotspots that support external antenna ports. You may find that using an external antenna could help you to improve signal strength, signal quality and help you access bands that aren’t getting indoors. 

 

  1. You could try a Signal Booster

    The majority of phones (as well as some hotspots) do not have external antenna ports. If you are trying to improve data rates on your phone, you could use a signal booster. They work by amplifying your signal as well as increasing the signal strength of the signal. You can also use them alongside external antennas – They enable the rebroadcast of improved indoor signal.

What configurations can I use to improve 4G / 5G signal strength?

There are a couple of configurations that our Wi-Fi experts would recommend giving a go.

 

1. Latest Hotspot + Directional Outdoor Antennas

 

If you’re happy to use Wi-Fi for distributing your signal indoors, then you can use a hotspot (from your chosen carrier) used alongside external antennas which are mounted on the outside of the building.

Pros

  • If you already have a hotspot, this can prove highly cost-effective
  • Easy to support MIMO (multiple input, multiple output). Using multiple antennas can help improve performance
  • Offers the fastest available data rates
  • Using directional outdoor antennas can help improve signal to interference and noise ratio (SINR) as well as enabling you to access weaker outdoor bands, and improve MIMO performance


Cons

  • It requires a hotspot, with a line of service
  • Your system will be hard-wired. Mobile phones will be able to connect via Wi-Fi but won’t see better 4G/5G signal.

 

  1. 4G LTE or 5G Signal Booster + Directional Outdoor Antenna

 

A mobile signal booster is a great alternative if you don’t have a hotspot, don’t fancy one or simply cannot afford the monthly charges associated with adding a phone line. You may also just want to have wireless 4G / 5G coverage inside, which a mobile signal booster will give you. 

 

A mobile phone signal booster works by amplifying the signal from outdoors and then rebroadcasting it indoors via wireless. Thus getting you the best data rates. 

Pros

  • Provides wireless coverage for multiple devices
  • Will works with existing phones
  • You don’t need a hotspot or extra phone line
  • Using the directional outdoor antennas can help to improve SINR
  • A booster could enable you to connect to weaker bands

Cons

  • Boosters are SISO (single input, single output) with one antenna outside and one antenna inside. This means you cannot use MIMO with this option, and it decreases speeds by approximately 33% 
  • This option can be more expensive than external antennas

 

What can cause slow 4G / 5G data rates? 

 

If we’re trying our best to improve our 4G and 5G data rates, it would make sense to identify what actually causes rates to be slow. There are five main factors that can affect the 4G LTE / 5G data speeds you experience.

 

  1. The Signal Quality (SINR)

    The quality of signal in 4G / 5G networks is measuring in signal to interference and noise ratio (SINR). If you can increase your SINR, you can dramatically improve your data connection speed. As outlined above, you can improve your SINR by using a directional outdoor antenna, which can also be connected to a signal booster or directly to your 4G / 5G hotspot.

  2. The Number of Connected Bands

    Carrier Aggregation is when your phone (or hotspot) is able to use multiple bands to connect to the tower simultaneously. This means that the more bands you are connected to, the higher your data rates.

  3. The Signal Strength (Reference Signal Received Power)


You might be thinking that signal strength must be the most important factor, but it’s actually not. In 4G and 5G networks the RSRP signal strength certainly does matter, but it’s not the most important thing. Check your RSRP – If it’s already stronger than -100dBm, then having a stronger signal won’t help to increase your data rates. 

 

  1. Congestion

    As you can imagine, the more users there are on the tower, the lower your data rate is going to be. The congestion in the tower will also vary by band. In general, lower frequencies penetrate buildings more than higher frequencies. This means that the higher frequency bands are usually less congested. This means that using an outdoor antenna and connecting it directly to your hotspot or signal booster Ican really help you to access the less-congested bands.

  2. MIMO Support

    Using MIMO means that you can use multiple antennas to increase data rates by about 30%. The majority of mobile phone signal boosters are SISO (Single Input, Single Output) but you could install two systems in parallel to get a MIMO booster. 

  3. Throttling

    If you’re with a Mobile Virtual Network Operator, it means that the service provider does not own the wireless network infrastructure. This means that the main carrier’s network may treat your connection like a second-class citizen and find yourself throttled! Throttling may also occur if you use a lot of data per month. Throttling is how the service providers manage the data they provide – They can de-prioritise certain users and even stop their connection going over a certain speed.

 

Get in touch

If you’re struggling with wired broadband, and not getting the reliable internet connection you need in your rural business or home, then 4G / 5G could be a fantastic option for you.

It can feel like a big jump to give up on your wired broadband connection and opt for 4G – Which is where our Cell Coverage 4G survey comes in.

We can tell you exactly whether 4G broadband would work for you, and which network would be most reliable.

 

The Robustel R5020 5G Router

We’ve talked a lot in recent weeks about 4G broadband and how it can solve many Wi-Fi issues in rural areas and homes with a slow BT Openreach connection.

But of course, the question on everyone’s lips when we talk about 4G routers and mobile broadband is ‘when will there be a 5G router?’

One product we’re feeling particularly excited about is the Robustel R5020. This router is touted to be offering next-generation cellular connectivity at a competitive price.

The R5020 will enable rapid deployment of high speed IoT applications in sectors such as Transportation, Enterprise Connectivity and Digital Signage.

In a compact industrial unit, the R5020 will offer 3G, 4G/LTE and 5G band coverage.

What are the key features?  

Here are the key features of the Robustel R5020 5G router.

A router with 5G capability

As Robustel’s first 5G capable router, the R5020 will also be capable of supporting 4G and 3G bands.

 

A stable operating system

Powered by their tried and tested CPU platform, the R5020 uses their mature and stable in-house Operating System RobustOS. This OS is fully programmable with a fully documented Software Development Kit. It also comes with a free cloud management platform (RCMS).

 

Applications

The R5020 is designed for use by various applications.

In-vehicle applications

  • Passenger Wi-Fi
  • CCTV de-brief
  • Ticketing
  • Other similar “onboard” requirements

Potentially increase internet speeds in these scenarios with the R5020, as well as future-proofing your current installations by making them 5G compatible. The R5020 has achieved E-Mark* certification for in-vehicle use, and supports GNSS (Global Navigation Satellite System) positioning. There is also a version to protect vehicle batteries with vehicle ignition sensing when the engine is turned off.

Broadband Failover

  • As well as a 5G Router, the R5020 can be configured to use Ethernet or Wi-Fi as the primary internet source. Should there be an outage on either of these, it can then failover to 4G or 5G.
  • If your business is a shop or small office, this can provide a good degree of connectivity resilience at a reasonable cost.
  • It can provide sufficient bandwidth for multiple users.
  • Core networks can utilise connections from IPSEC (Internet Protocol Security), DMVPN (Dynamic Multipoint VPN) and Open VPN (Virtual Private Networks) protocols.

Primary Broadband

  • You might think that using mobile broadband would be a pricey alternative, but mobile networks are now offering unlimited 5G tariffs at reasonable prices.
  • This means that hundreds of Mbps internet are available over the air.
  • There are many technical and commercial scenarios that make a wireless internet connection a favourable option, and mobile broadband offers another level of connectivity on top.

 

For more information on this product, or to register your interest in it when it’s available, head to their website.

If you would like more information on how 4G broadband could make a difference to your connectivity, please get in touch with our Wi-Fi experts here at Geekabit. We have a 4G antenna testing pole so we can assess whether 4G would be a viable option for your premises.

 

 

*An e-Mark proves your vehicle or component complies with the relevant EU/ECE regulations and can be sold in the EU, as well as other regions which have signed up to the ECE vehicle regulations. EU type approval is mandatory for whole vehicles as well as a range of automotive systems and components