A device that adds 3G or 4G (LTE ... modem." While a cellular modem plugs directly into the computer, smartphones and stand-alone broadband routers convert cellular signals into a Wi-Fi hotspot ...
A stationary device that converts cellular signals (3G, 4G, LTE) to Wi-Fi. The mobile broadband router creates a local Wi-Fi hotspot to provide ... (see wireless modem). A "mobile" broadband ...