Wired modem only, Requires cable internet Service, If not sure your provider is cable call them to confirm. Note: does not include WiFi router or VOIP telephone adapter; Approved on Comcast, time Warner, Cox, Charter and most regional cable providers. ; Internet speeds up to 686 Mbps download and 131 Mbps upload based on your cable ISP subscription. 300+ Gigabit Ethernet port to connect to computer or router.;16 download & 4 upload channels to future proof your modem as your cable ISP enhance Service offerings.;BROWN box models not valid for this item when SOLD as new should Report to Amazon immediately and return to Seller. 2 year limited warranty and US Customer based Service.