Why do walkie-talkies around the world claim to support 5,000-kilometer communication?

In today's society, with the development of technology and the increasing demand for communication, public network walkie-talkies, as a new type of communication tool, have gradually entered people's field of vision. In recent years, many vendors on the market have touted their public network walkie-talkies as having a communication range of up to 5000 kilometers, a claim that has attracted considerable attention from consumers. This article will first explain the basic concepts and working principles of public network walkie-talkies, and then delve into the possible sources of the "5000-kilometer communication" claim, as well as analyze its feasibility from a technical perspective.

A public network walkie-talkie, as the name suggests, is a device that uses public mobile communication networks (such as 2G/3G/4G/5G networks) for voice communication. Unlike traditional walkie-talkies that communicate directly based on specific frequencies, public network walkie-talkies achieve data transmission through mobile networks, thus overcoming the shortcomings of traditional walkie-talkies, such as short range and terrain limitations, and realizing long-distance, cross-regional communication capabilities.

The "5000km communication" capability touted by some public network walkie-talkies on the market does not actually refer to the walkie-talkie's own transmission power or receiving capability supporting a 5000km straight-line transmission distance. This claim is more based on the characteristic of public network walkie-talkies communicating through public mobile communication networks. Since public network walkie-talkies are not limited by distance, theoretically, as long as there is mobile network coverage in the walkie-talkie's location, communication can be achieved. A walkie-talkie from New York to Ukraine, from the easternmost point of Heixiazi Island to the westernmost point of the Pamir Plateau, spans a vast range of latitude and longitude. This 5000km figure may be intended to vividly illustrate that public network walkie-talkies can cover most of China, and even achieve nationwide communication.

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The communication range of a global walkie-talkie actually depends on the coverage of the mobile communication network. With the continuous improvement of China's mobile communication network infrastructure, especially the widespread deployment of 4G and 5G networks, global walkie-talkies can achieve stable communication in most parts of the country.

While global walkie-talkies can achieve long-distance communication, communication quality is still affected by factors such as network signal strength and network congestion. In some remote areas or where network signals are weak, communication delays or instability may occur.

Therefore, the "5000km communication" capability touted by global walkie-talkies primarily benefits from the extensive coverage and high efficiency of modern mobile communication networks. This capability not only demonstrates the advancement of communication technology but also provides a new solution for long-distance communication. However, the actual communication performance of public network walkie-talkies is also affected by various factors, including network coverage, signal strength, and network resource allocation. Therefore, when purchasing and using public network walkie-talkies, users need to comprehensively consider these factors based on their actual needs and usage environment to achieve the best communication results.

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