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What is MiFi? Everything You Need to Know

what is mifi

MiFi is a compact portable device that can be used as a mobile hotspot for any of your devices (computer, cellphone, tablet, etc.). The advantage of this gadget is that you can always access Wi-Fi instead of relying on mobile data no matter where you are.

In May 2009, Novatel Wireless launched the first MiFi device in the U.S. However, the trademark has been adopted by many companies like Huawei, ZTE, and Samsung, among others. A MiFi is a little gadget, but don’t let its size deceive you. It’s a highly smart and powerful device.

How Does MiFi Work?

MiFi is a Wi-Fi router and modem. Its modem component supports 3G, 4G, or LTE networks, allowing it to connect to next-generation wireless devices. Similarly, its router component provides Wi-Fi access for data transfer.

As a consequence, MiFi devices use 3G, 4G, or 5G networks to build an ad hoc WLAN network. It provides internet access to mobile internet-enabled devices that are within scope. An ad-hoc network is formed as devices connect to it.

As a result, MiFi devices build a network as mobile devices, such as tablets, laptops, cell phones, or PCs, connect to it, forming a small Local Area Network (LAN).

To connect to 3G, 4G, and 5G networks, these portable and rechargeable devices use a SIM card given by your telecom provider. As a result, depending on your connectivity requirements, you can sign up for a pay-as-you-go MiFi plan, a month-to-month plan, or an annual contract.

Who is a Good Fit for MiFi?

Travelers: If you often travel overseas or are in places where Wi-Fi is unavailable, a MiFi is the best travel router to be beneficial for you.

Owners of multiple devices: If you need multiple devices (phone, computer, iPad) to be able to access the internet when you are outdoors, you should consider buying a MiFi device.

Heavy internet users: If you use the internet frequently outside your house and do not have an unlimited cellphone data plan, you consider obtaining a MiFi gadget.

Phone owners with low battery life: If you want to extend the life of your phone’s battery, consider investing in a MiFi gadget, as cellular data consumes more battery capacity than MiFi.

How Fast is MiFi?

MiFi devices deliver normal 3G or 4G internet speeds based on the network availability of a given location and your carrier’s data subscription package. MiFi rates often provide up to 40MBps to connected devices.

However, it is essential to note that 3G and 4G connections can significantly slow down when shared with several people and devices.

Fortunately, as MiFi devices improve and 5G choices join the market, the speed and number of users they can manage will rise, as will their range.

Battery Life of MiFi Devices

MiFi routers are slightly larger than dongles but far smaller than phones. They are small and compact enough to fit in your pocket or bag and accompany you everywhere you go. These gadgets’ batteries often last 4 to 8 hours, implying that you will seldom need to recharge them when traveling.

The new wave of MiFi devices, on the other hand, boasts of having a battery capacity of up to 16 hours, implying that we will soon have MiFi gadgets that can last for a full 24 hours without running out of juice.

What are the benefits of MiFi?


MiFi’s are appealing to users because they are portable. You can take your MiFi anywhere your mobile operator has a scope and stay connected. That’s incredible. MiFi’s have batteries that last 5-6 hours.

Share data

This is yet another reason to use a MiFi. Based on the MiFi brand, you can start sharing your WIFI with up to 10 users.

Fast Speeds

Another reason to consider adopting a MiFi is speed. Most MiFi currently supports 4G LTE mobile networks, which are the most recent and speediest mobile network standards, with rates of up to 40 MBps. This is far quicker than most public hotspots.

When Not to Buy a MiFi

A MiFi isn’t for everyone, and it shouldn’t be. While it works well for people on the go and a small variety of devices, it is not the best option for situations where you need internet access 24/7 somewhere stationary, such as an office, and where a huge number of users are involved.

If you have more than 10 users connected to the internet, a MiFi is not a choice. In this situation, you may wish to choose a larger 4G LTE router that can accommodate up to 32 users.


If you are a regular traveler who wants to stay online, a MiFi gadget is a must-have. It is not only adjustable and simple to use, but it also allows several devices to connect and provides fast and dependable internet access.

These gadgets are also a good substitute for using a mobile hotspot. As a result, if you dislike being offline and are constantly on the go, a MiFi gadget might be a great blessing.

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