The camera just insert your SIM card and you can immediately start streaming video over unlimited distances.Unlike conventional IP cameras , so you're not limited to any router. 3G security camera is particularly suitable for use in places where there is no established Internet connection. http://www.spyshop.si/en/spy-kamera/ip-spy-kamere/3g-spy-kamere/i_1238_3g-outdoor-security-camera