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USR-GM3/GM3s User Manual
Jinan USR IOT Technology Limited
27 / 55
tec@usr.cn
4.1.4.4.
4.1.4.4.
4.1.4.4.
4.1.4.4.
SMS
SMS
SMS
SMS AT
AT
AT
AT Command
Command
Command
Command
Note: every command string should terminate with carriage return. Here we use [0D].
1.
Query command password.
Besides, customers need to configure SMS message transmission, refer to chapter 4.1.4.3.
After setting successful, restart GM3. send “usr.cn#AT+VER” to GM3 from cellphone, then
then you will get response from GM3.