The 2140 is an outdoor Router with auto failover capability. Featuring WAN, LAN and 2.4Ghz WIFI communications. Perfect for any business that relies on internet 100% of the time and lose money when their main Internet connection fails or they simply need internet remotely to run their business. Simply connect the WAN port to your main ISP device or Use the LTE as the main source, and your POS / terminals to the LAN or WIFI and let the 2140 do the rest!