Multitech RF825-E-AP Guide de l'utilisateur télécharger pdf (Page 11)

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

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 103 104

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Multitech RF825-E-AP Guide de l'utilisateur Page 11