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HC25 AT Command Set - Portech.com.tw

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<strong>HC25</strong> <strong>AT</strong> <strong>Command</strong> <strong>Set</strong><br />

8.5 <strong>AT</strong>+CSQ<br />

s<br />

8.5 <strong>AT</strong>+CSQ Signal quality<br />

The <strong>AT</strong>+CSQ execute <strong>com</strong>mand indicates the quality of the received signal strength.<br />

Syntax<br />

Test <strong>Command</strong><br />

<strong>AT</strong>+CSQ=<br />

Response(s)<br />

+CSQ: (list of supporteds), (list of supporteds)<br />

OK<br />

Exec <strong>Command</strong><br />

<strong>AT</strong>+CSQ<br />

Response(s)<br />

+CSQ: ,<br />

OK<br />

Reference(s) PIN USB0-MDM USB0-APP Last<br />

GSM 07.07 + + + -<br />

Parameter Description<br />

(num)<br />

0 -113 dBm or less<br />

1 -111 dBm<br />

2..30 -109... -53 dBm<br />

31 -51 dBm or greater<br />

99 not known or not detectable<br />

(num)<br />

99 The indication of the channel bit error rate is not supported. The value is always<br />

99.<br />

Note<br />

• After using ne<strong>tw</strong>ork related <strong>com</strong>mands such as <strong>AT</strong>+CCWA, <strong>AT</strong>+CCFC, users are advised to wait 3s before<br />

entering <strong>AT</strong>+CSQ. This is re<strong>com</strong>mended to be sure that any ne<strong>tw</strong>ork access required for the preceding <strong>com</strong>mand<br />

has finished.<br />

<strong>HC25</strong>_<strong>AT</strong>C_V01.200 Page 124 of 290 7/25/07<br />

Confidential / Released

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