LED indications
Constant blinking (~ 2Hz)
– router is turning on
LED turned off
– no 4G data connection
LED turned on
– 4G data connection
Connection status LED indication
Green and red blinking alternatively ever 500 ms: no SIM or bad PIN
Green, red and yellow blinking alternatively every 500 ms: connecting to GSM
Red blinking every 1 sec: connected 2G, but no data session established
Yellow blinking every 1 sec: connected 3G, no data session established
Green blinking every 1 sec: connected 4G, no data session established
Red lit and blinking rapidly while data is being transferred: connected 2G with data session
Yellow lit and blinking rapidly while data is being transferred: connected 3G with data session
Green lit and blinking rapidly while data is being transferred: connected 4G with data session
Signal strength LEDs
No. of lit up LEDs Signal strength value
0
≤ -111 dBm
1
-110 dBm to -97 dBm
2
-96 dBm to -82 dBm
-96 dBm to -82 dBm
3
-81 dBm to -67 dBm
4
-66 dBm to -52 dBm
5
≥ -51 dBm