The listing, Motorola SB6121 Cable Modem has ended.
-Wired modem only - Does not include Router, Wifi, VOIP, television, or telephone support
-Requires CABLE Internet Service, if not sure your provider is CABLE call them to confirm
-Compatible with ALL Major CABLE providers like Comcast/Xfinity, Cox, Charter, Time Warner, Mediacom, Bright House. Is not compatible with Verizon FiOS or AT&T U-verse
-Internet speeds based on your Cable provider service - up to 172 Mbps download and up to 131 Mbps upload
-Rear panel color coded for ease of installation
-Used, but works perfectly (will come with power adapter and brand new ethernet cable)