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AT Command Reference Guide
Revision History
Version Date Type of Revision
V1.0 2016-12-26 First version
V1.1 2013-04-24 Add command of GPS in chapter 11
Add commands AT+ZSPWAKEUP,AT+ZWAKEUPNUM,AT+ZWAKEUPSMS , AT+ZBAND ,AT+ZGNMEA
in chapter 14.
Update command of +ZCELLINFO,+ZADSET,+ZPAS, ZGRST,+ZCDS
1.2 2017-06-15 Update command of +ZCELLINOF, +ZIPCLOSE, +CEREG,+ZADSET
1.3 2017-06-29 Add command of +ZIPCREATE
1.4 2017-08-19 Update the doc
1.5 2017-11-16 Update command for GPIO function +ZCDS,+ZBAND,+ZIPOPEN,+ZIPLISTEN,+CFUN,+CNMA,
+CNMI,+CCLK,&F
Add commands of +ZARFCN, +ZSRSP,+ZRSP,+ZSNTE,+CMUX, +ZIPCONTEXT, $QCPDPP,+CGEQOSRDP,
+CGEQOS, Add commands of FTP&HTTP
1.6 2017-11-07 Update +ZGPIO ,+CLCK , +CFUN,+CPWD,+CNUM,+COPS,+ZBAND,+CMGC,+BAND command
Delete command of +CNMA
1.7 2018-03-15
Update command +ZSWICH,+ZDNSGETIP,+ZIPCONTEXT,+CSMP,+CEREG,+ZSRSP,+CMGC, +CPMS,
+ZGPIO, GPS relative commands
Add command of +ZMONI, +ZCLRACQ, Add chapter of 2.2 Setting Commands Saving
Delete phonebook commands
1.8 2018-04-29 Update the format of document
1.9 2018-05-15 Update +ZIPCREATE, +ZDST, +ZGPSR ,+ZNVWRITE, +ZNVREAD, +ZBAND commands
Add +ZECMCALL ,ZADB command
Update the notes of +ZGRST and +ZGPSR commands
V2.0 2018-07-12 Update ATI ,+ZGFIXRATE commands
Add +ZGPORT, +ZLOCKCELL command
Delete +CGEQOSRDP command
V2.1 2018-08-13 Update +ZCELLLOCK, +ZFTPPUT command
Add +ZHTTPSGET, +ZHTTPSPOST commands
V2.2 2018-08-22 Upgrade +CFUN parameter explain, Update response format of +ZECMCALL
Delete default value of +CREG and +CEREG
V2.3 2019-06-26 Add FTPs, MQTT, FILE,SSL related commands, +ZGXTRA,+HTTPSAVE,+ZIPUNACK,+ZIPALIVE,
+ZPOWESAVE,+ZMQCFG,+ZCPWR,+ZHTTPCFG,+BANDEX,+ZGNMEAREQ,+ZSRVRSP
Update commands +CSQ,+CMUX,MQTT, +ZMQCFG,+ZMQCON,+ZIPOPEN,+ZCDS
Delete +ZGPSEVENT,+ZCOMDEL