C424G modem user guide
The C424G is a fiber-ready gateway modem with a built-in wireless router.
WiFi connection for the C424
- 2.4 GHz: 802.11 b/g/n
- 5 GHz: 802.11 ac (WiFi 5)
You can connect devices to your WiFi network three different ways:
1. Enter your WiFi password on the device
2. Scan the join code from the Quantum Fiber app
3. Push the WPS button on your modem
Speed specifications
The C424G gateway is tested and certified to run up to 940 Mbps on the Quantum Fiber network.
Note: Speeds reflect the maximum download speed the technology can deliver Quantum Fiber service. In-home speeds may differ based on router setup, devices and other factors.
Modem settings (GUI)
You can customize your modem settings from the GUI.
Troubleshooting the C424G
- Restarting your modem is a good first step to fix many common problems.
- Take a look at the modem lights guide to learn what those lights are telling you.
- Learn about resetting the modem to its default settings.
- Need more help? Our troubleshooting team is standing by. Contact us through your Quantum Fiber app, or by signing in to your account.
Firmware for the C424G
Tip: If the firmware link doesn't work, try another browser (Chrome is known to have issues with this kind of link). Or, right-click the link, select "copy link address", then paste the link into a new browser tab.
Related topics
Get the Quantum Fiber app
Manage your Quantum Fiber account
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