Yes, customers can use their own modem or router with Cox Internet, provided the equipment is compatible with their services. Cox maintains a list of approved modems and routers, which is regularly updated to ensure compatibility with their network. Before using personal equipment, it is important to verify that it meets the necessary specifications and standards for the desired internet speed and service type. Customers should also ensure that they configure the equipment correctly to avoid any connectivity issues. If unsure about compatibility or setup procedures, it may be helpful to refer to the resources available on the Cox website for detailed information regarding compatible devices and setup instructions. This can help ensure a smooth experience while using personal equipment with Cox Internet.