Chapter 1 – Introduction and Product Description
Multi-Tech Systems, Inc. RouteFinder RF825/RF825-AP User Guide (Document Number S000422B)
11
Signal Strength LEDs Reference Chart
Signal Strength AT Commands:
The EDGE query signal strength command is:
AT+CSQ
Response Example:
+CSQ: xx, 99
(
For
xx
, see the values chart below)
The CDMA query signal strength command is:
AT+CCED
Response Example:
+CSQ:16, 99
+CCED:0,0,384,26,2,6,104,2513,2,17,xx,-45,-63
(
For
xx
, see the values chart)
Definition of xx Values
The following table lists the xx values and explains how they correspond to the number of LEDs lit for signal
strength.
AT+CSQ xx Values
Signal Strength LED Bars
Signal Strength
0 to 6
No LEDs are lit
Very weak signal
7 to 14
1 Bar LED is lit
Weak signal
15 to 23
1 Bar and 2 Bar LEDs are lit
Stronger signal
24 to 31
1 Bar, 2 Bar, 3 Bar LEDs are lit
Strongest signal
AT+CCED xx Values
Signal Strength LED Bars
Signal Strength
-113 to -101
No LEDs are lit
Very weak signal
-99 to -85
1 Bar LED is lit
Weak signal
-83 to -67
1 Bar and 2 Bar LEDs are lit
Stronger signal
-65 to -51
1 Bar, 2 Bar, 3 Bar LEDs are lit
Strongest signal