For Spectrum & Skyworth Modem: CM5200G2 / CM5200-A / CM5100G2
1. Open Chrome or Browse
2. Type in URL: 192.168.100.1 or 192.168.0.1
3. Enter your username & password
Default Username: Blank
Default Password: admin
4. Click Login
5. Go to Wireless
6. Go to Access Control
7. Change Mac Restrict Mode from Disabled to either Allow* or Deny*
8. Add the device's mac address on the MAC Addresses list. (Example: 01:23:45:67:89:AB)
9. Click Apply
*Allow - Devices with the Mac Address listed on MAC Addresses are the devices allowed to connect to the modem via wireless connection.
*Deny - Devices with the Mac Address listed on MAC Addresses are the devices that will be blocked from connecting to the modem via wireless connection.