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HC15 AT Command Set

8.4 AT+CSQ

HC15_ATC_V01.001 Page 110 of 234 2/16/07

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8.4 AT+CSQ Signal quality

The AT+CSQ execute command indicates the quality of the received signal strength.

Syntax

Parameter Description

0 -113 dBm or less

1 -111 dBm

2..30 -109... -53 dBm

31 -51 dBm or greater

99 not known or not detectable

99 The indication of the channel bit error rate is not supported. The value is always

99.

Note

• After using network related commands such as AT+CCWA, AT+CCFC, users are advised to wait 3s before

entering AT+CSQ. This is recommended to be sure that any network access required for the preceding com-

mand has finished.

Test Command

AT+CSQ=?

Response(s)

+CSQ: (list of supported<rssi>s), (list of supported<ber>s)

Exec Command

AT+CSQ

Response(s)

+CSQ: <rssi>,<ber>

Reference(s) PIN USB0-MDM USB0-APP Last

GSM 07.07 + + + -

<rssi>

(num)

<ber>

(num)

1 2 ... 105 106 107 108 109 110 111 112 113 114 115 ... 233 234

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Siemens HC15 Spécifications Page 110