Castel sat802 Castel

Integrate dual system of GSM / GPRS and iridium radio in a single device, with low latency when sending data from anywhere in the world in a few seconds. The IRIDIUM system has 66 satellites, SAT-802 and SAT-802S which can work in high-density cities. Very low GPS message price in the air, the cost will be lower than GSM SMS. Operates on 1.6g radio frequency band, SAT-802 802 can be installed in tracking planes. Supports live fuel level and real-time monitoring.