Users connect the adapter via an Ethernet cable to a router, and then plug the adapter into a wall socket.

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By plugging a router into a cable modem, ordinary people are stepping into a complex world, where they need to understand some highly specialized technology, according to Michael Gartenberg, VP and Research Director, Jupiter Research.

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HDHomeRun connects to your existing TV antenna or cable TV outlet, and to your router via Ethernet.

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Once tethering is enabled, connect your iPhone 3G, 3GS or iPhone 4 to the Nexaira BC2 Router via your iPhone USB cable and within a few seconds, your iPhone will indicate that it is in "Internet Tethering" mode.

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Yep, the same blue or yellow cable currently plugged into the back of your router or PC.

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The Optical SMART Hub breaks new ground by functioning as a Wireless AP router changing broadband Internet service with a cable from the wall to Wi-Fi Internet connection so that all family members can enjoy wireless connection at home.

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Consumers can switch between cable, fiber optic broadband or ADSL without having to reconfigure their home network or replace their router.

ENGADGET: Netgear D6300 mates 802.11ac WiFi with ADSL, risks one heck of a mismatch

The NETGEAR D6300 WiFi Modem Router also includes a separate gigabit Ethernet WAN port for connecting to either high-speed cable or fiber optic broadband.

ENGADGET: Netgear D6300 mates 802.11ac WiFi with ADSL, risks one heck of a mismatch