HF HF2411 - At+ICCID; At+Imei; At+Imsi; At+Apn

4G_2G DTU Products Function
http://www.iotworkshop.com - 48 -
◆ Query Operation:
AT+GSMST<CR>
+ok=<status,strength><CR><LF><CR><LF>
◼ Parameter:
◆ status: Module network status. ：
⚫ disconnect: Not connect GPRS network.
⚫ connect: Registered to the GPRS network.
⚫ sIM Not Exist: SIM card does not exist.
◆ Strength: Signal strength, range from 0-31.
2.4.2.43. AT+ICCID
◼ Function: Query module ICCID code.
◼ Format:
◆ Query:
AT+ICCID<CR>
+ok=<code><CR><LF><CR><LF>
◼ Parameter:
◆ code: ICCID code, length is 20 bytes.
2.4.2.44. AT+IMEI
◼ Function: Query module IMEI code.
◼ Format:
◆ Query Operation:
AT+IMEI<CR>
+ok=<code><CR><LF><CR><LF>
◼ Parameter:
◆ code: IME code, length is 15 bytes.
2.4.2.45. AT+IMSI
◼ Function: Query SIM card’s MSI number.
◼ Format:
◆ Query Operation:
AT+IMSI<CR>
+ok=<code><CR><LF><CR><LF>
◼ Parameter:
◆ code: IMSI code, length is 15 bytes.
2.4.2.46. AT+APN
◼ Function: Set/Query APN information.
◼ Format:
◆ Query Operation:
AT+APN<CR>
+ok=<apn,user,password]><CR><LF><CR><LF>
◆ Set Operation:
AT+APN=<apn,user,password><CR>
+ok<CR><LF><CR><LF>
◼ Parameter:
◆ apn: apn information, max 27length, SET “NA” to clear setting.
◆ user: apn user, max 21 length.
◆ password: apn password, max 21 length