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  2. USB hub - Wikipedia

    en.wikipedia.org/wiki/USB_hub

    A four-port "long cable" "external box" USB hub A four-port "compact design" USB hub: upstream and downstream ports shown. A USB hub is a device that expands a single Universal Serial Bus (USB) port into several so that there are more ports available to connect devices to a host system, similar to a power strip. All devices connected through a ...

  3. Y-cable - Wikipedia

    en.wikipedia.org/wiki/Y-cable

    This is a USB 3.0 Y-cable. Traditional USB Y-cables exist to enable one USB peripheral device to receive power from two USB host sockets at once, while only transceiving data with one of those sockets. As long as the host has two available USB sockets, this enables a peripheral that requires more power than one USB port can supply (but not more ...

  4. USB4 - Wikipedia

    en.wikipedia.org/wiki/USB4

    Universal Serial Bus 4 (USB4), sometimes erroneously referred to as USB 4.0, is the most recent technical specification of the USB (Universal Serial Bus) data communication standard. The USB Implementers Forum originally announced USB4 in 2019. USB4 enables multiple devices to dynamically share a single high-speed data link.

  5. Best Buy - Wikipedia

    en.wikipedia.org/wiki/Best_Buy

    Best Buy Co., Inc. is an American multinational consumer electronics retailer headquartered in Richfield, Minnesota.Originally founded by Richard M. Schulze and James Wheeler in 1966 as an audio specialty store called Sound of Music, it was rebranded under its current name with an emphasis on consumer electronics in 1983.

  6. The 8 Best Dash Cams Keep Everyone Honest After an Accident - AOL

    www.aol.com/lifestyle/best-dash-cams-next-road...

    Best For Rideshare Drivers: Vantrue N4 Pro 3-Channel Dash Cam Best For New Drivers: Garmin Dash Cam Live The Expert (Dan Bracaglia) : I’m a consumer technology journalist specializing in digital ...

  7. Power dividers and directional couplers - Wikipedia

    en.wikipedia.org/wiki/Power_dividers_and...

    Port 1 is the input port where power is applied. Port 3 is the coupled port where a portion of the power applied to port 1 appears. Port 2 is the transmitted port where the power from port 1 is outputted, less the portion that went to port 3. Directional couplers are frequently symmetrical so there also exists port 4, the isolated port.