Signal Strength Leds - Multitech SF100-G User Manual For System Administrators

Signal Strength LEDs

Signal Strength
To View Strength
Signal strength can be viewed by using the following AT command: AT+CSQ. This command is the
default setting on the Network Setup > Cellular Modem screen.
AT Command Response Example
+CSQ: xx, 99 (For xx, see the values chart below)
Signal Strength LEDs Reference Table
The following table lists the meaning of the xx values in the signal strength response and explains how
they correspond to the number of LEDs lit for signal strength.
AT+CSQ xx Values
0 to 6
7 to 14
15 to 23
24 to 31
Multi-Tech Systems, Inc. SMSFinder User Guide for System Administrators (Document S000451B)
1 Bar LED 2 Bar LED
Signal Strength LEDs on the Front Panel
Signal Strength LED Bars
No light
1 Bar LED is lit
1 Bar and 2 Bar LEDs are lit
1 Bar, 2 Bar, 3 Bar LEDs are lit
Chapter 1 – Introduction and Product Description
3 Bar LED
Signal Strength
Very weak signal
Weak signal
Stronger signal
Strongest signal
9