SESAMEⅡ series
By using mobile phone network GSM/GPRS, 3GWCDMA, it sends data from sensor to cloud server.
SESAMEⅢ series
This system collects the data of child devices to a mother device by using "LPWA", which is low power consumption wide-area wireless technology. Collected data is sent to cloud server using Inmarsat. This system enables communication to the area where no communication facility is available such as deep in the mountains and the area striken by disaster.