Tech Tips: Why mobile phone shows ‘No Signal’ when going in lift? What is the real reason? You will be surprised to read

• Why is there no network in elevator?
• What is the reason behind signal disappearance in elevator?
• Why does the mobile signal stop in the lift?

Smartphones that are being launched by major telecom companies these days come with many advanced and upgraded features. the latest smartphone They are many times more powerful than previous smartphones. Not only this but nowadays telecom companies have also upgraded the network system. However, when you use the elevator in society or office, the smartphone signal disappears as soon as you enter the elevator. Many people find it difficult to use calls and data as soon as they get into the elevator. Many people do not know what exactly is the reason for this. In fact, smartphones use electromagnetic radio waves for communication. But let’s know why there is no signal in the smartphone despite having advanced features.

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Why is there no mobile signal in the lift?

One of the few major causes of mobile signal blocking in elevators is the material used to construct the elevator. The elevator is constructed using bricks, concrete and stainless steel. All these materials block the signal. A material that can keep out rain, moisture and snow, the material also works to block mobile signals just as effectively. These materials can absorb or reflect electromagnetic signals, preventing the network from operating at full capacity. (Photo Courtesy – AI Created)

The elevator shaft (inner part of the elevator) of any building is made of brick, cement and concrete. After this, the elevator cabinet is made using stainless steel. The walls of the elevator cabinet are multi-layered. You can think of an elevator as a big cage. A Faraday cage is a structure that prevents external electrical waves from entering. Since the elevator is completely surrounded by metal, the signals from the mobile towers cannot penetrate properly and the people in the elevator do not receive the signal. The elevator is usually located in the center or interior of the building. Where the signal is already weak. When a layer of metal is added to these parts, the signal in the elevator is terminated.

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Not only elevators, but also large concrete walls and basements of tall buildings affect the network. This problem can be exacerbated if the building does not use a signal booster or in-building network system. In addition, when many people in the elevator use the network at the same time, the available signal becomes even weaker. It is very difficult to get a strong network in Lyft. But if you use a phone with 4G or 5G support and updated software, you will be able to use the network to some extent. Also, if signal boosters are installed in buildings, this problem is likely to be reduced further.