5.1.1.AT Command
1.AT+CPIN?
Description: 確認是否已輸入密碼
Success Response:
Error Response:
Example:
2.AT+CSQ
Description: 取得模組的signal quality:+CSQ:</rssi/>,</ber/>
Mode:
1.AT+CSQ?
returns the signal strength of the device
2.AT+CSQ=?
list of supporteds
Example:
3.AT+COPS?
Description: 指定或是取得模組的訊號種類(2G/3G/4G)
Mode:
1.AT+COPS?
取得目前模組的訊號種類
0 GSM (2G)
1 GSM Compact (2G)
2 UTRAN (3G)
3 GSM w/EGPRS (2.75G)
4 UTRAN w/HSDPA (3.5G)
5 UTRAN w/HSUPA (4G)
6 UTRAN w/HSDPA and HSUPA (3.5G and 4G)
7 E-UTRAN (3G)
2.AT+COPS=?
list目前模組可用的訊號種類
3.AT+COPS=[[, [,[,]]]]
指定模組的訊號種類
4.AT^SIND?
Description:
Mode:
5.AT^SCFG?
Description:
Mode:
6.AT+CGDCONT
7.AT+CGCONTRDP
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