Iridium360° Rockstar is a global communications system and tracking device It allows to send and receive short messages from anywhere in the world. The device works even without Wifi or GSM networks. With a given frequency, the tracker will receive its location using the GPS satellite network and transmit it to the Iridium360° server via the Iridium satellite network. After that position data can be viewed on the map using a web browser. The Iridium360° Rockstar also allows to work with short m