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AT Command Reference Guide of Module Product
6.14. AT+CMGD Delete Message..................................................................................................... 51
6.15. AT+CMGC Send Command..................................................................................................... 52
6.16. AT+CMMS More Messages to Send.......................................................................................... 52
6.17. AT+CPMS Preferred Message Storage ..................................................................................... 53
6.18. +CMTI New Message Indications ............................................................................................ 54
6.19. AT+ZSPWAKEUP Enable/disable specified SMS remote wakeup function...................................... 55
6.20. AT+ZWAKEUPSMS Set the specified SMS content used for remote wakeup.................................. 55
6.21. +CMS ERROR Message Service Failure Result Code................................................................... 56
7. Network Service Commands .........................................................................................58
7.1. AT+CREG Network registration ................................................................................................ 58
7.2. AT+CEREG Network registration .............................................................................................. 59
7.3. AT+COPS Operator selection ................................................................................................... 60
7.4. AT+CSQ Signal quality ............................................................................................................ 61
7.5. AT+CPOL Preferred operator list............................................................................................... 62
7.6. AT+COPN Read operator names............................................................................................... 64
7.7. AT+CTZU Automatic Time Zone Update .................................................................................... 65
7.8. AT+CTZR Time Zone Reporting................................................................................................ 65
7.9. AT+ZCELLINFO Request the information about serving cell ......................................................... 66
7.10. AT+ZLOCKCELL lock cell command......................................................................................... 67
7.11. AT+ZSNT Configuration of Network Selection Mode .................................................................. 69
7.12. AT+ZSNTE Network Selection according to 2G/3G/4G............................................................... 70
7.13. AT+ZPAS Check Module Status............................................................................................... 71
7.14. AT^SYSINFO Request System INFO........................................................................................ 71
7.15. AT+ZBAND Band lock............................................................................................................ 73
7.16. AT+ZARFCN Return current ARFCN ........................................................................................ 75
7.17. AT+ZCDS -Query Serving Cell Information............................................................................... 76
7.18. AT+ZSRSP Query RSRP,RSRQ,SINR of the main cell ................................................................. 77
7.19. AT+ZRSP Query RSRP,RSRQ,SINR of LTE neighbour cell ........................................................... 78
7.20. AT+CGEQOS Define EPS quality of service ............................................................................... 79
7.21. AT+ZMONI Get the information of main& neighbor cells ............................................................ 80
8. Packet Domain Commands ...........................................................................................84
8.1. AT+CGDCONT Define PDP Context ........................................................................................... 84
8.2. AT+CGATT PS attach or detach................................................................................................ 85
8.3. AT+CGACT PDP context activate or deactivate ........................................................................... 86
8.4. AT+CGPADDR Show PDP address............................................................................................. 86
8.5. AT+CGEREP Packet Domain event reporting .............................................................................. 87
8.6. AT+CGSMS Select service for MO SMS messages ....................................................................... 88
8.7. AT$QCPDPP Set PDP Authentication parameters......................................................................... 89
8.8. AT+ZECMCALL Make ECM data call........................................................................................... 90
8.9. +ZECMCALL active report the state of auto-dial ......................................................................... 91
8.10. AT+ZNVWRITE Enable auto-dial function................................................................................. 92
8.11. AT+ZNVREAD Query the state of auto-dial function .................................................................. 93