Now computers, tablets, handhelds, e-readers, game stations and more can share ahigh-speed connection to the Internet through either 3G cellular, 4G LTE cellular, orfixed broadband connections. Just plug in a cellular broadband USB modem, compatiblesmartphone, or fixed broadband modem and all the WiFi and Ethernet devices youchoose have fast, easy Internet access.The 4501 can also provide an improved cellular connection where the signal strength islow. Put the Wireless-N Router and a cellular modem or tethered smartphone where thecellular signal is the best, such as near a window. Then the Model 4501 will completethe connection to local WiFi devices through extended-range wireless-N capability. The4501 can also be configured as a wireless LAN repeater to extend the range of your localnetwork.You can connect computers, and other devices to the 4501 through wireless-N orthrough an Ethernet LAN jack. Wired and wireless routing with security can be addedto an ADSL modem or cable modem using the Ethernet WAN jack. When connected toboth a cellular and a wired broadband connection, the 4501 will provide automaticcellular backup to your wired broadband connection.