N 300 WiFi Cable Modem Router model C3000 available with Ethernet cable and power adapter. Certified for use with Comcast Xfinity internet and others such as Cablevision, Time Warner, etc. Built in DOCSIS 3.0 cable modem. Cable internet speeds up to 340 Mbps – 8 downstream and 4 upstream channels. Original package and installation guide available. Can bring to lab. Contact: Anindya, email@example.com; 3314310008.