Multi-tech-systems MTCBA-G-F2 Manual de usuario Pagina 35

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Getting Started
35
Verifying signal strength
The Wireless MultiModem establishes a call if the
signal is sufficiently strong. To verify the signal
strength, do the following:
1. Using the Hyperterminal program at the
computer to which the Wireless MultiModem
is connected, type the AT command AT+CSQ.
A value for the received signal strength will be
returned.
2. Verify the result with the following chart:
Signal Strength Verification
Value of signal strength
(AT+CSQ response)
(RSSI)
Signal strength
11 - 31 sufficient*
0 - 10 insufficient*
greater than 99 insufficient*
*Based on general observations.
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