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Wireless access point; Wireless router [2] An internet box integrating a SIM Card. A modem (e.g. DSL modem, cable modem) by itself provides none of the functions of a router. [3] It merely allows ATM or PPP or PPPoE traffic to be transmitted across telephone lines, cable wires, optical fibers, wireless radio frequencies, or other physical ...
It has a wired connection to the ISP, at least one jack port for the LAN (usually four jacks), and an antenna for wireless users. The wireless gateway could support wireless 802.11b and 802.11g with speed up to 56 Mbit/s, 802.11n with speed up to 300Mps and recently the 802.11ac with speed up to 1200 Mbit/s. [3]
A typical Wi-Fi home network includes laptops, tablets and phones, devices like modern printers, music devices, and televisions. Most Wi-Fi networks are set up in infrastructure mode, where the access point acts as a central hub to which Wi-Fi capable devices are connected. All communication between devices goes through the access point.
Routers often incorporate a digital subscriber line modem or a cable modem and a Wi-Fi access point, are frequently set up in homes and other buildings, to provide Internet access for the structure. Similarly, battery-powered routers may include a mobile broadband modem and a Wi-Fi access point. When subscribed to a cellular data carrier, they ...
When a router includes this device, it is referred to as a wireless router, which is predominantly the case nowadays. A gateway establishes physical and data link layer connectivity to a WAN like the Internet. Home routers provided by internet service providers (ISP) usually have the modem integrated within the unit. It is effectively a client ...
An early example of a wireless router The internal components of a wireless router. A wireless router or Wi-Fi router is a device that performs the functions of a router and also includes the functions of a wireless access point. It is used to provide access to the Internet or a private computer network.
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A gateway is a piece of networking hardware or software used in telecommunications networks that allows data to flow from one discrete network to another. Gateways are distinct from routers or switches in that they communicate using more than one protocol to connect multiple networks [1] [2] and can operate at any of the seven layers of the OSI model.