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What is Mobile Broadband?

Mobile broadband is a popular connection type for those who need internet on the go.

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, updated on August 5th, 2024       

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Mobile broadband is the main choice for Australians looking to access internet while out and about. If you need a connection while you’re on the go or simply want a plan as a backup for your home internet, it’s important to find out exactly how mobile broadband works to help you determine whether it’s right for you. You can do just that with Savvy’s comprehensive guide, so learn all you need to know about mobile broadband with us today!

What is mobile broadband and how does it work?

Mobile broadband is a wireless internet service that allows users to access the internet using mobile networks, such as 4G or 5G, rather than fixed line connections like the NBN. It works by transmitting data over the airwaves using radio signals. Here's how it works:

  1. Data transmission: when you request a webpage, stream a video or perform any online activity on your device, it sends a request to the nearest mobile tower.
  2. Mobile tower communication: the mobile tower receives your request and, if you're within its range, it forwards your request to the mobile carrier's network infrastructure.
  3. Network routing: the carrier's network routes your request to the appropriate destination on the internet, such as a website's server.
  4. Data retrieval: the requested data is retrieved from the internet and sent back through the same process, reaching your device via the cell tower.
  5. Connection to your device: your device receives the data, allowing you to access websites, videos and other online content.

Mobile broadband relies on a network of towers which cover specific geographic areas. As you move, your device automatically connects to the nearest tower with the strongest signal, helping ensure a continuous internet connection.

How fast is mobile broadband?

The speed of mobile broadband can vary significantly depending on several factors, including your network technology (4G or 5G), location, network congestion and your device's capabilities. In optimal conditions, 4G mobile broadband may be able to provide download speeds ranging from 20Mbps to 100Mbps, although this may sometimes cap out at 12Mbps. In contrast, 5G has the potential to theoretically deliver up to 1Gbps in downloads, but you’re unlikely to experience speeds close to this.

Real-world speeds are typically much lower than these maximums, especially during peak usage times when network congestion may occur. To get a better idea of the speeds you can expect, it's advisable to check with your mobile carrier for coverage maps and speed estimates in your area.

What types of mobile broadband can I choose from?

There are three main types of mobile broadband to choose from:

Data-only SIM cards

Data-only SIM cards

Data-only SIM cards are SIM cards that are specifically designed for mobile broadband use. They don't have a voice component, so you can't make traditional calls with them. However, they provide access to cellular data networks for internet connectivity.

To use a data-only SIM card, you insert it into a compatible device, such as a tablet, USB modem, or mobile hotspot. Once inserted, the device connects to the mobile network and allows you to access the internet.

USB modem/dongle

USB modem/dongle

USB modems, also known as dongles, are compact devices which you can plug into a computer's USB port. They function as cellular modems, providing internet access to the connected computer.

To use a USB modem, insert a data-only SIM card (if required) and plug it into your computer or another compatible device. The modem connects to the mobile network and establishes an internet connection for the computer.

Pocket Wi-Fi

Pocket Wi-Fi

Pocket Wi-Fi, also known as a mobile hotspot, is a portable device which can create a Wi-Fi network. It uses a data-only SIM card to connect to the network and broadcasts a Wi-Fi signal which multiple devices can connect to simultaneously.

By turning on the pocket Wi-Fi device, you can connect smartphones, tablets, laptops and any other Wi-Fi-enabled devices to its network and access the internet through the mobile data connection.

Each of these mobile broadband options has its own set of advantages and use cases, allowing you to choose one which best fits your specific needs, whether it's individual connectivity, device portability or sharing internet with multiple devices.

What are the differences between prepaid and postpaid mobile broadband?

Prepaid and postpaid mobile broadband refer to the payment schedule employed by each plan. However, there are several other key differences to be aware of:

  • Payment: prepaid plans require you to pay at the start of the month or recharge period, while postpaid plans have you pay at the end of the month.
  • Contracts: prepaid plans generally come without lock-in contracts, and while this is the case for some postpaid plans, others do require a contract to be charged.
  • Excess data: you may be charged if you exceed your data limit on a postpaid plan over a given period, but there aren’t any excess data charges with prepaid plans.
  • Cost: postpaid plans are generally cheaper than prepaid plans overall.

How is mobile broadband different from home wireless broadband?

Mobile broadband and home wireless broadband are both wireless internet solutions utilising 4G and 5G mobile networks to establish connections, but they differ in several key ways:

Speed and data limits

  • Mobile broadband: while mobile broadband offers convenience and mobility, its speeds can vary more widely depending on network congestion and signal strength. Additionally, mobile broadband plans often come with data caps or limits.
  • Home wireless broadband: home wireless broadband plans typically offer more consistent and higher speeds than mobile broadband thanks to their stationary connection. They’re often suitable for households with heavier internet usage and come with higher data allowances in most cases.

Usage location

  • Mobile broadband: mobile broadband is ideal for on-the-go internet access. It's commonly used with smartphones, tablets, laptops and portable hotspots.
  • Home wireless broadband: home wireless broadband is designed for fixed locations. It provides internet connectivity to multiple devices within a specific location.

Installation and equipment

  • Mobile broadband: mobile broadband requires a SIM card and can be used with compatible devices like smartphones, USB modems or pocket Wi-Fi devices.
  • Home wireless broadband: home wireless broadband requires the installation of a wireless modem or router at the premises. This equipment connects to the fixed wireless network and broadcasts Wi-Fi for multiple devices. This is usually a simple process of plugging it in at the required point.

Who is mobile broadband suitable for?

Mobile broadband is suitable for a range of users and scenarios, including:

  • Travellers: mobile broadband is ideal for travellers who need internet access on the go. It allows them to stay connected while on vacation.
  • Students: students can use mobile broadband for online classes, research and study, especially when they need to access the internet from various locations.
  • Remote workers: remote workers who need flexibility in their work location can use mobile broadband to stay productive while away from home or the office.
  • Light internet users: individuals or households with light internet usage may find mobile broadband cost-effective and convenient, especially if they don't require high-speed or unlimited data plans.
  • Backup internet: mobile broadband can serve as a backup internet connection in case of outages with a primary home broadband service. However, many NBN plans now come with a built-in mobile internet backup in the event of an outage.
  • Mobile businesses: small businesses operating in various locations without access to traditional fixed line broadband may use mobile broadband as a reliable internet solution.

Ultimately, mobile broadband offers flexibility and convenience, making it suitable for users who value mobility and on-the-go connectivity. However, heavy internet users or those requiring consistently high speeds for a fixed location, such as a home or office, may prefer home wireless broadband or other fixed line internet plans.

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