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Modem vs router12/14/2023 Therefore, it is safe to say that you need both a modem and a router if you want Wi-Fi in your home. However, if you have multiple devices and want all of them to connect to the internet, you’ll need a router. For instance, if you have only one device that needs access to the internet, you technically don’t need a router. Well, there’s no straightforward way of telling which of these devices you need without first looking at your specific internet needs. On the other hand, a wireless router uses a built-in antenna to wirelessly transmit the network signal to other devices. A wired router must be connected to your computer and other devices through an ethernet cable to transmit the network signal. There are two main types of routers: wired and wireless. However, this usually isn’t the case because a home or office network comprises multiple devices that need to access the internet. Instead, you can plug that device’s network cable into the modem and directly access the internet. You technically don’t need a router if you have one device on your network. Using the address, you can control the network properties of each device, such as access and bandwidth, through your router’s settings.Ī typical router will have a switch and multiple ports so your devices can all connect to the internet. And that’s where an IP address comes in.Īn IP address is a unique number that identifies every device on the network, helping the router to distribute the internet signal correctly. With multiple devices connected and needing to communicate, a router requires a mechanism to identify each device on the network. When multiple devices are connected to the same router, they form a network called the Local Area Network (LAN). This can be pretty inconvenient because it will render devices such as mobile phones and computers immobile. Without it, you’ll need to connect your device directly to the modem using an ethernet cable for internet access. Usually, a router is connected to the modem via an ethernet cable. This includes computers, tablets, phones, smart home devices, etc. Understanding RoutersĪs the name suggests, a router is a device that routes or distributes your internet connection to all the devices connected to the network. Most modems have three ports: one that connects the device to the internet, another to the power source, and a final one to the router. That is why a modem is also referred to as a modulator-demodulator. It also modulates the digital signals transmitted from your computer into analog signals to allow your computer’s data to be sent over the internet. And that’s where the modem comes in.Ī modem demodulates the incoming analog signals into digital signals so your computer can understand them. To access the internet, you’ll need a device to convert the analog signals you receive from your provider into digital signals that your computer and other digital devices can understand. While the internet transmits analog signals, digital devices such as your phone, computer, and tablet can only decode digital signals. Two main signals are transmitted between devices and the internet: an analog signal and a digital signal. A signal, in simple terms, is an electromagnetic wave that transmits data from one device to another.
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