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2. Wireless router - Wikipedia

   en.wikipedia.org/wiki/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. Depending on the manufacturer and model, it can function in a wired local area network, in a wireless-only LAN, or in a ...

3. AT&T Internet - Wikipedia

   en.wikipedia.org/wiki/AT&T_Internet

   AT&T Internet provides internet access to computers connected on-premises via Ethernet cabling or Wi-Fi from the included residential gateway or DSL modem. AT&T Fiber, or as it is known AT&T Internet powered by Fiber, [2] provides fiber to the home (FTTH) service in select markets. Historically a form of AT&T Fiber Internet launched in the fall ...

4. Google Fiber - Wikipedia

   en.wikipedia.org/wiki/Google_Fiber

   19165 (Webpass) Google Fiber, sometimes stylized as GFiber, is a fiber broadband Internet service operated by Google Fiber Inc., [2] a subsidiary of Alphabet, [3] servicing a growing number of households in cities in 19 states across the United States. [4] In mid-2016, Google Fiber was estimated to have about 453,000 broadband customers.

5. Residential gateway - Wikipedia

   en.wikipedia.org/wiki/Residential_gateway

   A residential gateway is a small consumer-grade gateway which bridges network access between connected local area network (LAN) hosts to a wide area network (WAN) (such as the Internet) via a modem, or directly connects to a WAN (as in EttH), while routing. The WAN is a larger computer network, generally operated by an Internet service provider.

6. Fiber-optic communication - Wikipedia

   en.wikipedia.org/wiki/Fiber-optic_communication

   Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of infrared or visible light through an optical fiber. [1][2] The light is a form of carrier wave that is modulated to carry information. [3] Fiber is preferred over electrical cabling when high bandwidth, long distance, or immunity to ...

7. Modem - Wikipedia

   en.wikipedia.org/wiki/Modem

   They are not a modem, [disputed – discuss] although they perform a similar function and are sometimes referred to as a modem. Fiber optic systems can use quadrature amplitude modulation to maximize throughput. 16QAM uses a 16-point constellation to send four bits per symbol, with speeds on the order of 200 or 400 gigabits per second.