In remote areas or underground buildings, cell phone signals are weak, so calls can be dropped or difficult to hear. Areas where signals are not strong enough are called dead zones.
Although dead zones are usually located in remote areas such as deep mountains or remote islands, they can sometimes occur in perfectly good residential buildings in the city. In particular, residential buildings in commercial areas are often directly adjacent to each other because there are no restrictions on the distance between buildings. In such cases, not only is sunlight blocked, but communication signals also have trouble reaching the interior.
If you are experiencing inconvenience due to weak cell phone signals in your residential area, you may want to consider installing a small home repeater.
![When your phone or Wi-Fi connection isn’t working well, do this! [이럴땐 이렇게!]](https://dimg.donga.com/wps/NEWS/IMAGE/2024/08/30/126772130.1.jpg "When your phone or Wi-Fi connection isn’t working well, do this! [이럴땐 이렇게!]")
A small repeater is used to transmit outdoor signals with good signal quality indoors. It is connected to a small antenna installed outside a window and a repeater inside. If you have no problem with calls right outside the building, but the signal is weak only inside due to the structure or location of the building, a small repeater is the perfect solution.
You can apply for installation of a small repeater through the customer center of each telecommunications company. You can request installation of a repeater by reporting a call quality problem. There are no installation costs or device rental fees. However, repeaters are electronic devices, so electricity costs are incurred, which the customer is responsible for. Fortunately, small repeaters themselves do not consume a lot of electricity, so they only charge an additional 500 to 1,000 won per month in electricity costs.
One thing to keep in mind is that small repeaters only serve to transmit outside signals into the room. If the outside signal is weak, or in other words, if the area itself is a shadow area with weak signals, installing it will not be very effective.
Indoor Wi-Fi signal problems can be solved in a similar way. For example, if your house is large or has multiple rooms, there may be dead zones where the Wi-Fi signal does not reach well depending on where the Wi-Fi router is installed. This is especially likely to happen in houses with a large floor area of 40 pyeong or more, or with a two-story or duplex structure.
Mesh WiFi is used in this case. It is a method of connecting multiple routers or a main router and satellite routers to each other to spread WiFi signals widely like a net. If you have network knowledge, you can purchase a router that supports mesh WiFi and build your own WiFi network.
If you are renting a Wi-Fi router as an additional service for each telecommunications company’s wired internet product, you can install a satellite router for mesh Wi-Fi by paying an additional fee. As with repeaters, contact each telecommunications company’s customer service center to request installation.
SK Broadband is offering mesh WiFi value-added services under the name of ‘WiFi Wings’, KT under the name of ‘Giga WiFi Buddy’, and LG U+ under the name of ‘Giga WiFi Mesh’. SK Broadband and KT charge a usage fee of 1,650 won for a 3-year contract, and LG U+ charges a usage fee of 2,200 won for a 3-year contract.
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Kwon Taek-kyung, IT Donga reporter [email protected]
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2024-09-02 05:19:31