A modem is necessary for internet connectivity, whereas a router is not essential to access the internet. Select one ADSL2+ Modem-Router and one Cable Modem (Router) products in the market and perform the following comparisons, in tabular form, item by item.In a modem, RJ45 is used to connect the router and RJ11 for the telephone line, whereas, in a router, RJ45 is used to connect the computer networks. Routers normally connect LANs and WANs and have a dynamically updating routing table based on which they make decisions on routing the data packets.A router screens the data packet and, basis the mentioned IP address in the header, route them to the respective destination, thus, secured enough. The modem doesn’t validate and screen the information coming into the network, thus posing a threat to the network. A router screens the data packet and, basis the mentioned IP address in the header, route them to the respective destination, thus, secured enough.The modem works on the data link layer of the OSI model, whereas a router works on physical, data, and network layers.A modem converts the signals in the form of data packets from the internet to the local area network and vice-versa, whereas a router scans, analyzes and distributes the data packet to route them to their respective destination or recipient computer or network.from analogue to digital and digital to analogue, whereas a router is a device that is used to connect or route the data within one or multiple local area networks. A modem is a device that modulates and demodulates the signals, i.e.Main Differences Between Modem and Routerīetween Modem and Router helps us to understand the technical terminologyĪs well as their actual purpose and functioning, The router checks each data packet through the information saved on its header and then only transfers the same. Key Difference Between Ethernet vs Internet The Internet is a global web of interconnected computer networks, using the TCP / IP protocol to connect computers. Modem transfers the data without any authentication and check thus, no security is assured. Physical Layer, Data Link Layer, and Network Layer. Router routes the data packets to the respective computer basis the IP mentioned on their header. ‘0’ or ‘1, and demodulates from digital to analogue. Modem receives the analogue signal from the telephone and modulates it to digital form, i.e. The device routes the information to the respective computer connected to the local area network.Ī modem is required to access the internet as it connects your local area network to the internet service provider.Ī router is not essential to access the internet. It is a device that carries information from the internet to your local area network. ![]() A modem is a hardware that modulates the analogue signal from a phone or cable to a computer and demodulates it from a computer to a phone or cable.Ī router is a hardware that connects or routes data within one or multiple local area networks. The difference between those two devices is a conventional router only works when a device is plugged into it using an Ethernet networking cable.
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