Router (computing)
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A router is a computer and networking device that forwards data packets between computer networks, including internetworks such as the global Internet.
Rack containing a service-provider–class router connected to multiple networks
A home–class router with wireless capabilities; many home routers like this example combine router, wireless access point, switch and modem into one single unit (see also residential gateway)
The first ARPANET router, the Interface Message Processor, was delivered to UCLA August 30, 1969, and went online October 29, 1969.
A home or small office DSL router showing the telephone socket (left, white) to connect it to the internet using ADSL, and Ethernet jacks (right, yellow) to connect it to home computers and printers
Modem
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A modulator-demodulator, commonly referred to as a modem, is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as teleph
Router (computing)
…Mobile broadband modem Modem Residential gateway…
Acoustic coupler modems used a telephone handset as the audio medium, with the user dialing the desired number and then pressing the handset into the modem to complete the connection. These systems generally operated at a speed of 300 bits per second.
Collection of modems once used in Australia, including dial-up, DSL, and cable modems
A demonstration of AT&T Bell 101 modem in 1958
The original 300-baud Hayes Smartmodem