Check the listing for details. Netgear N600 WiFi Cable Modem Router Model C3700-never used. Condition: Open box. Listed at 39.99 USD. This Netgear N600 WiFi Cable Modem Router Model C3700 is a great addition to any home networking setup. With its sleek design and powerful capabilities, it is sure to impress. The router is made by NETGEAR, a trusted brand in the industry, and is designed to work with cable modems and routers. The model number for this router is C3700-never used, and it falls under the categories of Modem-Router Combos, Home Networking & Connectivity, and Computers/Tablets & Networking. It is a type of router that is perfect for anyone looking to upgrade their home networking setup. With its easy setup process and powerful features, this Netgear router is a great choice for anyone who wants a reliable and high-performance internet connection.