User's Manual
CH1 User Manual
11/13/19
16
5. LED definition
The front of this device has four LED icons, a Signal lamp, a Connect lamp, a WIFI lamp, and a
Power Supply lamp. Here are the detailed LED definitions;
5.1 Signal
5.2 Connect
Flash fast: LED on 300ms, and LED off 300ms
Flash slowly: LED on 2s, and LED off 500ms
Using Usim:
Using Esim:
5.3 WIFI
LED
Color
Action
Function Description
Remark
Signal
Green(G)
On
-95 <= RSRP <= -44
Blue(B)
On
-105 <= RSRP < -95
Cyan(B+G)
On
-115 <= RSRP < -105
Purple(R+B)
On
-125 <= RSRP < -105
Yellow(R+B)
On
-140 <= RSRP < -125
Red(R)
Flash slowly
SIM error, no SIM
Off
No LTE Signal and Dialing
LED
Color
Action
Function Description
Remark
Connect
Off
LTE unable to connect
Green
Flash fast
LTE is connecting
Green
Flash slowly
LTE connection succeeded
LED
Color
Action
Function Description
Remark
Connect
Off
LTE unable to connect
Green
Flash fast
LTE is connecting
Green
On
LTE connection succeeded
LED
Color
Action
Function Description
Remark
WIFI
Green
ON
WIFI connected with a WIFI Client
Off
WIFI not connected










