Hi, Everyone. I was master of University of Electro-communication, and bachelor of University of Hiroshima city. Now, I often work at Deloitte Tohmatsu Cyber. Also, I always check and translate some articles here. My major is about LoRa/LoRaWAN, IoT, CAN(Controller Area Network), these Security, etc. Please contact me, don't hesitate. My region: information science, radio, network, iot, iiot, security, lora, lorawan, 802.11ah, etc.