Hello,
I am working with an AG553Q module running firmware version AG553QEUABR03A03M8G_OCPU (identified via AT+CGMR / AT+QGMR). When I issue the AT+CLAC command to list all supported AT commands, I do not see any MQTT-related commands (such as QMTOPEN, QMTCONN, QMTPUBEX, etc.). Only +QMSSR appears in the list.
Because of this, I am unable to use the module’s AT command interface to connect to an MQTT broker or publish/subscribe to topics.
My requests are:
- Please confirm whether the current firmware truly does not include the MQTT AT-command set.
- If MQTT support is not included, is there an alternate AG553Q firmware version that provides the full MQTT AT command set?
- If such a firmware exists, could you provide instructions or resources for obtaining and safely flashing it to the AG553Q?
- Could you please forward the AG55x MQTT application note, or any other relevant 5G MQTT application notes?
Thank you in advance for your assistance. I can provide additional details (e.g. serial number, hardware revision) if needed.
Additionally:
AT+CLAC
+QMIC
+QRXGAIN
+QAUDPLAYGAIN
+QAUDRDGAIN
+QEEC
+QAUDMOD
+QGPS
+QGPSLOC
+QGPSCFG
+QGPSGNMEA
+QGPSDEL
+QGPSEND
+QGPSXTRA
+QGPSXTRATIME
+QGPSXTRADATA
+QGPSSUPLURL
+QGPSSUPLCA
+QTEMP
+QTEMPDBG
+CFUN
$QCPWRDN
+QDRACT
+QCANACT
+QDRTEST
+QDRRP
+QTEST
+QNAND
+QFTEST
+QFTCMD
+QADC
+QIPTEST
+QSUBSYSVER
+QWSETMAC
+EBTADDR
+QETH
+QABFOTA
+QWSSID
+QWMOCH
+QWIFI
+QWAUTH
+QFCT
+QMSSR
+QTHERMALZONE
+QCOOLINGDEV
+CUTEST1
+CUTEST2
$QCSIMSTAT
$QCPBMPREF
$CREG
$CCLK
$QCCNMI
*CNTI
$QCCLR
$QCDMR
$QCDNSP
$QCDNSS
$QCTER
$QCSIMAPP
$QCPINSTAT
$QCPDPP
$QCPDPLT
$QCDGEN
$QCPDPCFGE
$QCANTE
$QCRPW
$QCSQ
$CSQ
$QCSYSMODE
$QCCTM
$QCBANDPREF
^SYSINFO
^SYSCONFIG
^CARDMODE
^DSCI
$QCVOLT
$QCHWREV
$QCBOOTVER
$ECALL
$QCDEFPROF
$QCMRUE
$QCMRUC
$QCAPNE
$QCPDPIMSCFGE
$QCCLAC
^SPN
$QCRMCALL
$QCDRX
$QCRSRP
$QCRSRQ
$QCACQDBC
$QCATMOD
$QCCOPS
^MODE
$QCSIMT
$QCNSP
$QCRCIND
$QCCSGCOPS
$QCPDPCFGEXT
$QCPRFCRT
$QCPRFMOD
$QCRSCP
$QCECNO
$QCPCOLIST
$QCMSISDN
$QCPCOMSISDN
$QCCALLATTR
$QCIMSSRV
$QCCCFC
OK