LAN/WAN indicator: Steady light used to indicate connection to an Ethernet network. Blinking indicates an Ethernet connection in progress.
Network status indicator: Steady cyan light used to indicate connection to a 4G network. A steady blue light indicates connection to a 3G network. A red light indicates a SIM card error. Off indicates no signal.
Power indicator: Used to indicate whether your device is powered on or off.
Signal strength indicator: Steady light used to indicate the device is providing a signal. The more bars lit, the stronger the signal.
WPS indicator: Steady light used to indicate Wi-Fi is working normally. Blinking indicates WPS connection being set up. Off indicates Wi-Fi is disabled.