Recently, the internet has started spreading rumors that WiFi causes cancer, causing some people without access to WiFi to become anxious...
So, does WiFi really cause cancer? The answer is no. But where did this idea come from?
The claim that "WiFi is carcinogenic" originated from an experiment conducted by a group of Danish students. They placed plants in two different rooms — one with a wireless router and one without. After 12 days, they noticed that the plants in the room without WiFi were healthy, while those in the WiFi room had died. Based on this, they concluded that WiFi radiation was harmful.
However, this experiment lacked scientific rigor and was widely shared online without proper verification. As a result, the myth that "WiFi causes cancer" spread quickly. But can we really conclude that WiFi causes cancer just because it killed some plants? Of course not — such a conclusion is completely unfounded.
So, is WiFi radiation dangerous? Yes, but only in very small amounts. In fact, all electronic devices emit some form of radiation. Radiation is generally divided into two types: ionizing and non-ionizing. Ionizing radiation, like X-rays, can be harmful in large doses. Non-ionizing radiation, such as that from WiFi, visible light, or even sunlight, is much safer and doesn’t directly harm the human body.
WiFi uses non-ionizing radiation, which means it's harmless to humans. In fact, we are constantly surrounded by electromagnetic radiation — from the sun, from TV signals, and even from our own mobile phones. So, even if you don't have WiFi, you're still exposed to electromagnetic waves every day.
Several studies have confirmed that WiFi radiation is safe:
1. A private environmental organization tested the power density of WiFi signals last year. At just 1 cm away from the router, the reading was only 9.1 microwatts per square centimeter — far below China’s safety limit of 40 microwatts per square centimeter.
2. Tsinghua University conducted seed tests and found that seeds in a WiFi-enabled room grew just as well as those in a room without WiFi.
3. According to official safety inspection data, the electromagnetic radiation from a wireless router is stable at around 4mG and drops to 2mG after 50cm. When a microwave oven is running, the radiation can reach up to 130–360mG, but it decreases to 2mG beyond 1.5 meters. Even a phone in standby mode emits only 2mG, and when making a call, it can go up to 50–100mG.
It's clear that WiFi radiation is not harmful to the human body and definitely won't cause cancer. In fact, the radiation from WiFi is much lower than that from a microwave or a mobile phone. If you’re okay with using your phone, why worry about WiFi?
Of course, many people use their phones extensively, often staying up late, which can lead to fatigue, dizziness, and even insomnia. To protect your health, it's a good idea to turn off your WiFi at night.
A router with a WiFi timer switch, like the Tenda AC10, can help manage your usage and reduce unnecessary exposure. It’s a practical solution for a healthier lifestyle.
Using the WiFi timer switch on the Tenda AC10 is easy. You can set it through the “Tenda WiFi†app. Open the app, go to [Toolbox] > [WiFi Timer Switch], and set the schedule. For example, you can turn off the WiFi from 11:30 PM to 7:00 AM on weekdays. The interface makes it simple to configure.
The Tenda AC10 is a high-performance router designed for fiber users with speeds of 200M and above. It uses the latest 11AC Wave2 technology, with four 5dBi high-gain antennas that provide dual-band WiFi speeds of up to 1167Mbps. It supports Beamforming+ for better signal penetration, MU-MIMO to improve network capacity, and features like wireless relay, WiFi timer switch, LED control, bandwidth management, and Tenda App integration. This ensures a stable and smart wireless experience for you and your family.
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