CradlePoint CTR35 Wireless N Portable Router Enables wireless internet access through 4G/3G mobile broadband networks, existing WiFi, or Ether net-based data services Supports most wireless data modems from the leading carriers ( modem and service sold separately ) Increase the speed and performance of your 4G or 3G inter net connection Pass-Through VPN Connection Support Enables a laptop with a VPN client to create a secure tunnel to corporate networks.