USR-G806 User Manual Technical Support: h.usriot.comJinan USR IOT Technology Limited www.usriot.com72.2. Hardware introductionFigure 4 LEDLED FunctionRSSI The more green LEDs lighten, the signal is stronger.2G 2G:On 3G:Off 2G network accessing2G:Off 3G:On 3G network accessing3G 2G:On 3G:On 4G network accessingWLAN On: Wi-Fi enabled Off: Wi-Fi disabledLAN Blink: LAN port working Off: LAN port not workingWAN Blink: WAN/LAN port working Off: WAN/LAN port not workingPWR On: Power on Off: Power offButton FunctionWPS ReservedReload Restore default settings