This Arris TG862G DOCSIS 3.0 Cable Modem Router was tested on Comcast/Xfinity internet and it worked. If you don't know already, please contact your internet provider to make sure this device is compatible with your internet subscription before buying. a power cord and an ethernet cable are also included. If you are buying this because your current internet connection is not working properly, please rule out the problem is not with your cable line, your setup, or anything else other than your cable mode. Please review all the photos. They provide additional information and help you make a more informed decision. You can use the zoom feature for a closer look if you need to. If you have any questions please ask before bidding or buying. This item will ship same day or next day.