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Redirected from: mobile dongle

Definition: cellular dongle

A small modem that plugs into the USB port of a laptop or desktop computer to add 3G/4G cellular service. See cellular modem and cellular network extender.

A Cellular Dongle
Connecting via USB, this Verizon modem adds cellular data service to a computer or to a tablet if it has a USB port. (Image courtesy of Verizon Wireless.)