A 3G USB dongle is a portable device that attaches to a USB port (Backup module, Security module, Serial module) to enable a Zipabox to connect to the central monitoring servers as a primary connection or secondary (backup) IP connection by using 3G networks. Zipato 3G USB DONGLE can be used with any 2G/3G SIM card, wherever Dual Band, Tri Band or Quad Band SIMs are supported. Simply plug into a Backup module or Security module, set your PIN/APN and connect to the Zipato monitoring servers.