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5 misconceptions about 5G networks

Báo Thanh niênBáo Thanh niên20/08/2023


5G networks cause health problems.

One of the earliest myths surrounding 5G networks is the risk of causing serious illnesses in humans. This belief stems from the fact that 5G operates at a higher frequency spectrum than 4G technology, leading to concerns about potential issues related to radiation.

However, in reality, 5G, like many other wireless technologies (e.g., 2G, 3G, 4G networks, Wi-Fi, etc.), emits non-ionizing radiation. This type of radiation is not strong enough to harm the genetic information that governs the life processes of organisms (DNA) and is different from ionizing radiation such as X-rays or atomic materials. Many health and scientific organizations around the world, including the World Health Organization (WHO) and the International Commission on Non-Ionizing Radiation Protection (ICNIRP), have publicly affirmed that 5G operates within safe frequencies that are permissible for human health.

Chưa có bằng chứng cho thấy 5G gây tổn hại đến sức khoẻ con người

There is no evidence to suggest that 5G is harmful to human health.

The issue of ionizing radiation is also separate from the heat generated by electromagnetic waves (radio waves). For example, a microwave oven (used in homes) uses high-frequency electromagnetic waves to continuously move water molecules, thereby heating food, but it does not ionize the waves. Some people may be concerned about the heat generated when a 5G phone is near them, but besides the use of waves, another factor is power output that can generate heat. A microwave oven uses about 1,000W of electricity, while the energy emitted from a 5G phone is only in the milliwatt range.

Furthermore, radio waves follow the inverse square law for electromagnetic radiation, where the intensity of that radiation is inversely proportional to the square of the distance. In other words, users are too far from 5G base stations to be affected by any energy contained in the waves.

The journal Nature reviewed over 100 papers investigating the negative effects of 5G networks on human health, but found no scientific evidence to support these suspicions.

5G is simply a high-speed internet network.

Undeniably, 5G offers faster internet download/upload speeds, but that's not all. Simply associating 5G with "faster internet speeds" oversimplifies the technology's impact on many different aspects of the digital media landscape.

5G technology operates on low frequencies, reducing latency from data transmission to reception. This is a significant breakthrough in many different industries, from gaming – where every millisecond of delay can alter the outcome – to supporting real-time applications such as remote surgery, mining, and self-driving cars. Furthermore, 5G networks are designed to connect more devices simultaneously, a crucial factor in the era of the Internet of Things (IoT).

In short, the development of 5G networks is great for those who need faster internet connections, but its practical applications extend far beyond that and can be seen as a significant leap forward in wireless technology.

5G networks will replace Wi-Fi.

5G has many applications and can replace home internet in some cases, but it cannot completely replace current Wi-Fi technology. The first reason is cost. 5G data plans are becoming cheaper and more common, but they are still not enough for users to enjoy the same internet experience as when connected to a Wi-Fi network. It will probably be many more years before users have the opportunity to use mobile data plans without having to calculate their monthly data consumption, while hoping that Wi-Fi internet prices will decrease.

Alongside the development of mobile telecommunications networks, Wi-Fi technology has also made its own strides. Recently, Wi-Fi 6 and 6E standards have achieved speeds comparable to 5G in small-scale testing. Wi-Fi 7 promises performance equivalent to current wired network technology. Therefore, unless 5G coverage is ubiquitous and carriers offer ultra-cheap data plans, Wi-Fi remains the number one choice.

5G is not available at the airport.

Phi cơ hãng American Airlines bay qua trạm phát sóng viễn thông khi chuẩn bị hạ cánh tháng 1.2022

An American Airlines plane flies over a telecommunications cell tower as it prepares to land in January 2022.

There is a significant misconception about 5G at airports, with many believing that cellular networks will interfere with radio altimeters on aircraft. To address these concerns, regulatory bodies such as the FCC (Federal Communications Commission) and FAA (Federal Aviation Administration) are working with the entire aviation industry and the wireless industry to ensure that 5G networks and aviation services can coexist safely and securely.

In the US, the roadmap faces many obstacles, but a concrete plan is already in place. The FAA believes that some aircraft require special radio wave filters for their altimeters, and in some cases, replacements will be necessary. The cost will not be cheap, but after aircraft and airport equipment are upgraded, users will be able to experience 5G connectivity at more airports.

5G phones are essential from now on.

Smartphone manufacturers are constantly releasing devices with 5G connectivity, but buying a compatible device right now isn't necessary unless the end user lives in an area with strong 5G coverage and can afford a phone that supports this technology. Currently, not many applications truly benefit from the speed and features of 5G on phones. And for most users, 4G is sufficient for their daily needs.

The feeling of needing a 5G smartphone when the need isn't yet there and the number of carriers supporting it is still limited is just FOMO (fear of missing out), which can lead users to spend large sums of money unnecessarily.



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