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Exploring the 700MHz Band:Why It Is Regarded as the"Golden"Frequency in the Communication World Mar,5 2025

Exploring the 700MHz Band:Why It Is Regarded as the"Golden"Frequency in the Communication World

https://www.whwireless.com/

Estimated 15minutes to finish reading

In today's era of rapidly developing communication technology,frequency bands are like"magic keys"in the world of communication,unlocking different"treasures"of communication.Among them,the 700MHz band is particularly favored and is hailed as the"golden"frequency band.What are the secrets behind this?Let's delve into it together.

Superior Propagation Characteristics:Signals Travel Unimpeded

Just as marathon runners experience fatigue,signals also attenuate during propagation.The 700MHz band can be regarded as a"long-distance runner"in the communication world.According to the free-space propagation loss formula,the lower the frequency,the smaller the propagation loss.Compared to higher-frequency bands such as 2.6GHz and 3.5GHz,the 700MHz band experiences much less signal attenuation.This means it can cover longer distances and deliver signals stably to their destinations.Whether in remote mountainous areas or vast rural regions,it can easily provide coverage.

Strong Diffraction:Overcoming Obstacles

When signals encounter obstacles like high-rise buildings or towering mountains,high-frequency signals often get blocked.However,the 700MHz band,with its longer wavelength,demonstrates strong diffraction capabilities.Like a nimble dancer,it can cleverly bypass obstacles and continue on its way.This characteristic ensures stable signal propagation in complex urban environments,preventing communication signals from being easily"intercepted"by obstacles.

Deep Penetration:Full Signal Strength Indoors

Indoor signal weakness is a common problem.However,the 700MHz band has excellent penetration capabilities,allowing it to easily pass through building walls and reach every corner of the interior.This means that indoors,we can enjoy smooth communication services without worrying about weak signals.Whether streaming videos,playing games,or making video calls,the signal remains strong.

Cost-Effective Network Deployment

In communication network construction,base stations are the key"signal fortresses."The low propagation loss and wide coverage of the 700MHz band bring significant cost advantages for network deployment.Calculations show that with the 700MHz band,building 450,000 to 500,000 base stations is sufficient to cover the entire country.If other frequency bands were used,achieving the same coverage would require a much larger number of base stations.This would not only significantly increase construction costs but also lead to higher maintenance and management expenses.The 700MHz band,with its advantages,greatly reduces the burden on operators,making communication network construction more economical and efficient.

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Wide-Area Coverage:A Boon for Remote Areas

In rural and mountainous regions with vast areas and sparse populations,as well as high-speed scenarios like high-speed rail and highways,communication network coverage has always been a challenge.The emergence of the 700MHz band is like a timely rain.It can achieve wide-area coverage,bringing convenient communication services to people in remote areas and connecting them closely with the rest of the world.At the same time,during high-speed rail travel,the 700MHz band can also ensure stable signal coverage,allowing passengers to enjoy the internet throughout their journey.

IoT Foundation:The"Invisible Bridge"Connecting Everything

With the advent of the Internet of Things(IoT)era,the interconnection of everything has become a reality.From smart home devices to various sensors in smart agriculture,a vast number of devices need to be connected to communication networks.The low-power and long-distance transmission characteristics of the 700MHz band make it an ideal choice for connecting these devices.It acts like an invisible bridge,closely connecting various devices and facilitating the development of smart cities,smart agriculture,and other fields,making our lives smarter and more convenient.

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