IoT

What is Sigfox ? How is it in Japan ? This article describes basis of Sigfox including characteristics, service area and use cases as well as future expectation in Japan.

What is LPWA ? This articles describes basis of LPWA and compares 5 major LPWA technology, LTE-M, NB-IoT, Sigfox, LoRaWAN and 802.11ah(Wi-Fi HaLow)