Mictrack Cat M1 & NB-IoT GPS Tracker Test Report

From last year,  Mictrack released the world first Cat M1 & NB-IoT GPS tracker MT550, and then launch the Cat M1 & NB-IoT OBD GPS Tracker MP90-NB and Cat M1 & NB-IoT Personal device MT825. and now all over the world focus on the NB-IoT technology and would like to catch up on the [...]