Support XFINITY Internet Set Up Your Wireless Network with a Wireless Gateway


How to set up your wireless network. 


Once you set up your network, you can wirelessly access the Internet from your computer, laptop, game system and more. Your wireless gateway or wireless router makes it easy to set up your network and adjust your settings. You can find out more information about wireless networking or Wi-Fi before you begin, or find out how to set up a wireless network with these simple steps.

The following steps are specific to customers with the Wireless Gateway 1 (model number TG852G, TG862G, SMCD3DNV, or TC8305C) or Wireless Gateway 2 (model numbers DPC3939). Other routers may have some variations.

Connect Your Wireless Gateway

Before you can get online through your wireless gateway, you’ll need to make sure it’s properly connected. Please check that:

  • Your wireless gateway is connected to the Internet through the Cable connector on the back panel with a coaxial cable.
    Back panel of a wireless gateway
  • Wireless gateway back panel features:
    • Reset button: resets the wireless gateway
    • USB host connector [For Future Use]
    • Tel1 connector for analog phone line
    • Tel2 connector for analog phone line
    • Gigabit Ethernet (1-4) connectors for use with a computer LAN port
    • Cable connector for the coaxial cable
    • Power connector for the power cord
  • Your wireless gateway is plugged into a power source through the Power connector with the provided power cord.
  • The Power, Online and WiFi LED indicators on the front panel are steadily lit. This may take several minutes after plugging in your wireless gateway.
    Wireless gateway - front of device

There are two ways to set up your wireless network: WPS (Wi-Fi Protected Setup), which is quicker but not supported by all devices, and a manual set up. Find instructions for both methods below.

Connect with WiFi Protected Setup (WPS)

Both the Wireless Gateway 1 and Wireless Gateway 2 support Wi-Fi Protected Setup (WPS), a quick and easy way to set up a secure Wi-Fi network. However, your computer must be WPS-compatible in order to do so.

If you are unsure if your computer supports WPS, check for the WPS label:
 Logo - Wi-Fi Protected Setup

If you cannot find it, your computer most likely does not support WPS (look below for the “Connect to the Internet with a manual setup” section). If your computer does support WPS, here’s what to do:

  1. Press the WPS button on your computer. If your computer does not have a WPS button, refer to your computer’s user guide for more instructions.
  2. Within two minutes, press the WPS button located on the top of your wireless gateway.
  3. A message will appear when the connection is successful. If the connection is not successful, please wait a few minutes before connecting another computer using WPS.

Look below for the “Next Steps” section once your setup is complete. For more details on using WPS, refer to the Wireless Gateway User and Quick Start Guides.

Connect With a Manual Setup

If your computer or laptop does not support WPS, or if you’d prefer to connect manually, follow these easy steps to join your wireless network and access the Internet from anywhere in your house.

  1. Find the information label on the bottom panel of your wireless gateway.
  2. Write down the Network Name (SSID) and the Network Password (Key).
    Information panel on the bottom panel of a wireless gateway, with network name, encryption and network keys, and WPS PIN.
  3. On your computer, open the list of available wireless networks.
    • Windows – Click the wireless connections icon on the task bar.
      Windows - displaying the wireless connections icon in the taskbar.
    • Mac OS – Click the wireless icon on the menu bar.
      Mac OS X - The wireless icon in the menu bar.
  4. Select the Network Name (SSID) you wrote down in Step 2 from the list of available networks.
  5. Enter the case-sensitive Network Password (Key) into the Network Security Key field for Windows users or the Password field for Mac users. Click OK or Connect.
  6. Open a web browser and type in a valid URL, such as, to test your connection. You can repeat these steps to connect additional computers or laptops.

Next Steps

Now that your computer is connected to your home wireless network, you should take steps to make sure your network is as secure as possible. Well tell you everything you need to know about securing your wireless network.

To connect smartphones or tablets to your wireless network, refer to our step-by-step instructions.

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