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Some things you might want to knowabout WiFi

Author: Berci Sirák

Publication date: 03.04.2024

WiFi, an intricate web of invisible signals intertwining our modern lives, has become an indispensable technology for connectivity that allows us to access the digital realm effortlessly. However, amidst the convenience it provides, concerns have been raised about its potential impact on human health. In this article, we will explore the workings of WiFi technology while delving into the scientific evidence surrounding its effects on humans and animals.

Understanding WiFi

Wireless Fidelity, commonly referred to as WiFi, is a technology that enables wireless local area network (WLAN) connectivity. It employs radio frequencies to transfer data between electronic devices, such as laptops, smartphones, and routers, without the need for physical cables.

How does WiFi work?

WiFi operates within the radiofrequency spectrum, utilizing a band of frequencies around 2.4 GHz or 5 GHz, specifically allocated for wireless communication. The process begins with a WiFi-enabled device, equipped with a wireless network adapter, transmitting data in the form of radio waves.

This data is then received by a wireless router, which acts as a central hub, connecting the device to the internet via an internet service provider (ISP). The router converts the radio waves into electrical signals, which travel across the ISP's network until they reach the desired destination. In return, the router receives data from the internet and transmits it back to the device, completing the bidirectional communication

Effects on Human Health

Despite WiFi's widespread adoption, concerns have emerged, fueled by apprehensions surrounding its potential health effects. However, scientific research has consistently demonstrated that the radiofrequency electromagnetic fields (RF-EMF) emitted by WiFi devices do not pose significant harm to human health.

Numerous studies conducted by reputable organizations, including the World Health Organization (WHO) and the International Commission on Non-Ionizing Radiation Protection (ICNIRP), have concluded that WiFi's low-powered emissions fall well below safety limits. These limits account for potential heat generation and the impact on tissues and organs, ensuring a protective buffer against any adverse effects on human health.

The impact on animals

While the impact of WiFi on humans has been widely studied, its effects on animals have also garnered attention. Studies conducted on laboratory animals, domestic pets, and wildlife indicate that the low levels of RF-EMF emitted by WiFi devices do not cause any observable harm to these organisms.

However, the scientific community acknowledges that more research is needed to comprehensively understand the long-term effects of WiFi on animals. These ongoing studies aim to address concerns related to reproductive health, behavior, and potential indirect ecological consequences that might arise from the proliferation of WiFi networks.


WiFi has revolutionized the way we connect and communicate, propelling us into the digital age. Despite concerns over its potential health effects, current scientific literature overwhelmingly supports the notion that WiFi's low-powered radiofrequency emissions do not pose significant harm to human health or animals.

Nevertheless, as technology continues to evolve, it is vital to maintain a cautious approach and embrace new research to ensure the ongoing safety and well-being of individuals and the environment. By embracing a balanced perspective, we can navigate the interconnected world of WiFi with a greater understanding of its workings and its impact on our lives.


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