The gateway DG04-G1 working as a center controller of Bluetooth devices, monitoring their wireless signal and transmitting to IoT Cloud Platform via Wi-Fi or Ethernet. DG04-G1 features a fasion appearance with 7-color light loop, which appears different colors according to different status. With high-sensitivity Bluetooth signal reception, it supports a wide monitoring range. Moreover, its professional router meets the needs of big data process- ing. Assembled with multiple BLE modules, it is capable of sending multichannels of data at the same time and binding with tags more exible. It also boasts with high transmitting speed, anti-interference and strong stability.