SIMCOM’s LTE-M AT Command List

The entire AT-Command list of CAT-M1 Series is as follows.

 

 

01. Introduction	11. NTP	21 MQTT
02.  V.25TER	12. OneNet
03. 3GPP TS 27.007	13. Telecom IOT
04. 3GPP TS 27.005	14. GNSS
05. Special for SIMCOM	15. File System
06. GPRS	16. SIM Application Toolkit
07. IP Application	17. SSL
08. TCPIP	18. TCP/UDP
09. HTTP	19. PING
10. FTP	20. Error Code and Unsolicited Result Code

 

 

 

 

02. V.25TER		Description
C0201	A/	Re-issues the last command given
C0202	ATD	Mobile originated call to dial a number
C0203	ATE	Set command echo mode
C0204	ATH	Disconnect existing connection
C0205	ATI	Display product identification information
C0206	ATL	Set monitor speaker loudness
C0207	ATM	Set monitor speaker mode
C0208	+++	Switch from data mode or ppp online mode to command mode
C0209	ATO	Switch from command mode to data mode
C0210	ATQ	Set result code presentation mode
C0211	ATS0	Set number of rings before automatically answering the call
C0212	ATS3	Set command line termination character
C0213	ATS4	Set response formatting character
C0214	ATS5	Set command line editing character
C0215	ATS6	Pause before blind dialing
C0216	ATS7	Set number of seconds to wait for connection completion
C0217	ATS8	Set number of seconds to wait for comma dial modifier encountered in dial string of D command
C0218	ATS10	Set disconnect delay after indicating the absence of data carrier
C0219	ATV	TA response format
C0220	ATX	Set connect result code format and monitor call progress
C0221	AT&C	Set DCD function mode
C0222	AT&D	Set DTR function mode
C0223	AT&E	Set CONNECT Result Code Format About Speed
C0224	AT+GCAP	Request complete TA capabilities list
C0225	AT+GMI	Request manufacturer identification
C0226	AT+GMM	Request TA model identification
C0227	AT+GMR	Request TA revision identification of software release
C0228	AT+GOI	Request global object identification
C0229	AT+GSN	Request TA serial number identification (IMEI)
C0230	AT+ICF	Set TE-TA control character framing
C0231	AT+IFC	Set TE-TA Local Data Flow Control
C0232	AT+IPR	Set TE-TA fixed local rate

 

 

 

03. 3GPP TS 27.007		Description
C0301	AT+CGMI	Request manufacturer identification
C0302	AT+CGMM	Request model identification
C0303	AT+CGMR	Request TA revision identification of software release
C0304	AT+CGSN	Request product serial number identification (identical with +GSN)
C0305	AT+CSCS	Select TE character set
C0306	AT+CIMI	Request international mobile subscriber identity
C0307	AT+CLCK	Facility lock
C0308	AT+CMEE	Report mobile equipment error
C0309	AT+COPS	Operator selection
C0310	AT+CPAS	Phone activity status
C0311	AT+CPIN	Enter PIN
C0312	AT+CPWD	Change password
C0313	AT+CRC	Set cellular result codes for incoming call indication
C0314	AT+CREG	Network registration
C0315	AT+CRSM	Restricted SIM access
C0316	AT+CSQ	Signal quality report
C0317	AT+CPOL	Preferred operator list
C0318	AT+COPN	Read operator names
C0319	AT+CFUN	Set phone functionality
C0320	AT+CCLK	Clock
C0321	AT+CSIM	Generic SIM access
C0322	AT+CBC	Battery charge
C0323	AT+CUSD	Unstructured supplementary service data
C0324	AT+CNUM	Subscriber Number

 

 

 

04. 3GPP TS 27.005		Description
C0401	AT+CMGD	Delete SMS message
C0402	AT+CMGF	Select SMS message format
C0403	AT+CMGL	List SMS messages from preferred store
C0404	AT+CMGR	Read SMS message
C0405	AT+CMGS	Send SMS message
C0406	AT+CMGW	Write SMS message to memory
C0407	AT+CMSS	Send SMS message from storage
C0408	AT+CNMI	New SMS message indications
C0409	AT+CPMS	Preferred SMS message storage
C0410	AT+CRES	Restore SMS settings
C0411	AT+CSAS	Save SMS settings
C0412	AT+CSCA	SMS service center address
C0413	AT+CSDH	Show SMS text mode parameters
C0414	AT+CSMP	Set SMS text mode parameters
C0415	AT+CSMS	Select message service

 

 

05. SIMCOM Special		Description
C0501	AT+CPOWD	Power off
C0502	AT+CADC	Read ADC
C0503	AT+CFGRI	Indicate RI when using URC
C0504	AT+CLTS	Get local timestamp
C0505	AT+CBAND	Get and set mobile operation band
C0506	AT+CNSMOD	Show network system mode
C0507	AT+CSCLK	Configure slow clock
C0508	AT+CCID	Show ICCID
C0509	AT+CDEVICE	View Current Flash Device Type
C0510	AT+GSV	Display product identification information
C0511	AT+SGPIO	Control the GPIO
C0512	AT+SLEDS	Set the timer period of net light
C0513	AT+CNETLIGHT	Close the net light or open it to shining
C0514	AT+CSGS	Netlight indication of GPRS status
C0515	AT+CGPIO	Control the GPIO by PIN Index
C0516	AT+CBATCHK	Set VBAT checking feature ON/OFF
C0517	AT+CNMP	Preferred mode selection
C0518	AT+CMNB	Preferred selection between CAT-M and NB-IoT
C0519	AT+CPSMS	Power Saving Mode Setting
C0520	AT+CEDRXS	Extended-DRX Setting
C0521	AT+CPSI	Inquiring UE system information
C0522	AT+CGNAPN	Get Network APN in CAT-M Or NB-IOT
C0523	AT+CSDP	Service Domain Preference
C0524	AT+MCELLLOCK	Lock the special CAT-M cell
C0525	AT+NCELLLOCK	Lock the special NB-IOT cell
C0526	AT+NBSC	Configure NB-IOT Scrambling Feature
C0527	AT+CAPNMODE	Select the mode of application configure APN
C0528	AT+CRRCSTATE	Query RRC State
C0529	AT+CBANDCFG	Configure CAT-M Or NB-IOT Band
C0530	AT+CNACT	APP Network Active
C0531	AT+CNCFG	PDP Configure
C0532	AT+CEDUMP	Set whether the module reset when the module is crashed
C0533	AT+CNBS	Configure Band Scan Optimization for NB-IOT
C0534	AT+CNDS	Configure Service Domain Preference For NB-IOT
C0535	AT+CENG	Switch on or off Engineering Mode
C0536	AT+CNACTCFG	Configure IP Protocol Type
C0537	AT+CTLIIC	Control the Switch of IIC
C0538	AT+CWIIC	Write Values to Register of IIC Device
C0539	AT+CRIIC	Read Values from Register of IIC Device
C0540	AT+CMCFG	Manage Mobile Operator Configuration
C0541	AT+CSIMLOCK	SIM Lock
C0542	AT+CRATSRCH	Configure parameter for better RAT search
C0543	AT+SPWM	Generate the Pulse-Width-Modulation
C0544	AT+CASRIP	Show Remote IP Address and Port When Received Data
C0545	AT+CEDRX	Configure EDRX parameters
C0546	AT+CPSMRDP	Read PSM Dynamic Parameters
C0547	AT+CPSMCFG	Configure PSM version and Minimum Threshold Value
C0548	AT+CPSMCFGEXT	Configure Modem Optimization of PSM
C0549	AT+CPSMSTATUS	Enable Deep Sleep Wakeup Indication
C0550	AT+CEDRXRDP	eDRX Read Dynamic Parameters
C0551	AT+CRAI	Configure Release Assistance Indication in NB-IOT network

 

 

06. GPRS		Description
C0601	AT+CGATT	Packet domain(GPRS service) attach or detach
C0602	AT+CGDCONT	Define PDP context
C0603	AT+CGACT	PDP context activate or deactivate
C0604	AT+CGPADDR	Show PDP address
C0605	AT+CGREG	Network registration status
C0606	AT+CGSMS	Select service for MO SMS messages
C0607	AT+CEREG	EPS Network Registration Status

 

 

07. IP		Description
C0701	AT+SAPBR	Bearer settings for applications based on IP

 

08. TCPIP		Description
C0801	AT+CIPMUX	Start up multi-IP connection
C0802	AT+CIPSTART	Start up TCP or UDP connection
C0803	AT+CIPSEND	Send data through TCP or UDP connection
C0804	AT+CIPQSEND	Select data transmitting mode
C0805	AT+CIPACK	Query previous connection data transmitting state
C0806	AT+CIPCLOSE	Close TCP or UDP connection
C0807	AT+CIPSHUT	Deactivate GPRS PDP context
C0808	AT+CLPORT	Set local port
C0809	AT+CSTT	Start task and set APN, user name, password
C0810	AT+CIICR	Bring up wireless connection with GPRS
C0811	AT+CIFSR	Get local IP address
C0812	AT+CIFSREX	Get Local IP Address extend
C0813	AT+CIPSTATUS	Query current connection status
C0814	AT+CDNSCFG	Configure domain name server
C0815	AT+CDNSGIP	Query the IP address of given domain name
C0816	AT+CIPHEAD	Add an IP head at the beginning of a package received
C0817	AT+CIPATS	Set auto sending timer
C0818	AT+CIPSPRT	Set prompt of ‘>’ when module sends data
C0819	AT+CIPSERVER	Configure module as server
C0820	AT+CIPCSGP	Set GPRS for connection mode
C0821	AT+CIPSRIP	Show remote IP address and port when received data
C0822	AT+CIPDPDP	Set whether to check state of GPRS network timing
C0823	AT+CIPMODE	Select TCPIP application mode
C0824	AT+CIPCCFG	Configure transparent transfer mode
C0825	AT+CIPSHOWTP	Display transfer protocol in IP head when received data
C0826	AT+CIPUDPMODE	UDP extended mode
C0827	AT+CIPRXGET	Get data from network manually
C0828	AT+CIPRDTIMER	Set remote delay timer
C0829	AT+CIPSGTXT	Select GPRS PDP context
C0830	AT+CIPSENDHEX	Set CIPSEND Data Format to HEX
C0831	AT+CIPHEXS	Set Output-data Format with suffix
C0832	AT+CIPTKA	Set TCP keepalive parameters
C0833	AT+CIPOPTION	Enable or Disable TCP nagle algorithm

 

 

09. HTTP(S)		Description
C0901	AT+SHSSL	Select SSL Configure
C0902	AT+SHCONF	Set HTTP(S) Parameter
C0903	AT+SHCONN	HTTP(S) Connection
C0904	AT+SHBOD	Set Body
C0905	AT+SHBODEXT	Set Extension Body
C0906	AT+SHAHEAD	Add Head
C0907	AT+SHPARA	Set HTTP(S) Para
C0908	AT+SHCPARA	Clear HTTP(S) Para
C0909	AT+SHCHEAD	Clear Head
C0910	AT+SHSTATE	Query HTTP(S) Connection Status
C0911	AT+SHREQ	Set Request Type
C0912	AT+SHREAD	Read Response Value
C0913	AT+SHDISC	Disconnect HTTP(S)
C0914	AT+HTTPTOFS	Download file to ap file system
C0915	AT+HTTPTOFSRL	State of download file to ap file system

 

 

10. FTP		Description
C1001	AT+FTPPORT	Set FTP control port
C1002	AT+FTPMODE	Set active or passive FTP mode
C1003	AT+FTPTYPE	Set the type of data to be transferred
C1004	AT+FTPPUTOPT	Set FTP put type
C1005	AT+FTPCID	Set FTP bearer profile identifier
C1006	AT+FTPREST	Set resume broken download
C1007	AT+FTPSERV	Set FTP server address
C1008	AT+FTPUN	Set FTP user name
C1009	AT+FTPPW	Set FTP password
C1010	AT+FTPGETNAME	Set download file name
C1011	AT+FTPGETPATH	Set download file path
C1012	AT+FTPPUTNAME	Set upload file name
C1013	AT+FTPPUTPATH	Set upload file path
C1014	AT+FTPGET	Download file
C1015	AT+FTPPUT	Set upload file
C1016	AT+FTPDELE	Delete specified file in FTP server
C1017	AT+FTPSIZE	Get the size of specified file in FTP server
C1018	AT+FTPSTATE	Get the FTP state
C1019	AT+FTPEXTPUT	Extend upload file
C1020	AT+FTPMKD	Make directory on the remote machine
C1021	AT+FTPRMD	Remove directory on the remote machine
C1022	AT+FTPLIST	List contents of directory on the remote machine
C1023	AT+FTPEXTGET	Extend download file
C1024	AT+FTPETPUT	Upload File
C1025	AT+FTPETGET	Download File
C1026	AT+FTPQUIT	Quit current FTP session
C1027	AT+FTPRENAME	Rename the Specified File on the Remote Machine
C1028	AT+FTPMDTM	Get The Last Modification Timestamp Of Specified File On The Remote Machine

 

 

11. NTP		Description
C1101	AT+CNTPCID	Set GPRS bearer profile’s ID
C1102	AT+CNTP	Synchronize network time

 

 

 

12. OneNet		Description
C1201	AT+MIPLCREATE	Create OneNet configuration
C1202	AT+MIPLDELETE	Delete OneNet configuration
C1203	AT+MIPLOPEN	Connect to OneNet
C1204	AT+MIPLADDOBJ	Add object
C1205	AT+MIPLDELOBJ	Delete object
C1206	AT+MIPLCLOSE	Disconnect to OneNet
C1207	AT+MIPLNOTIFY	Notify data to OneNet
C1208	AT+MIPLREADRSP	Send response on read command
C1209	AT+MIPLWRITERSP	Send response on write command
C1210	AT+MIPLEXECUTERSP	Send response on execute command
C1211	AT+MIPLOBSERVERSP	Send response on observe command
C1212	AT+MIPLDISCOVERRSP	Send response on discover command
C1213	AT+MIPLPARAMETERRSP	Send response on parameter command
C1214	AT+MIPLUPDATE	Update registration
C1215	AT+MIPLVER	Version of OneNet SDK
C1216	AT+MIPLBOOTSTRAP	Bootstrap mode
C1217	+MIPLREAD	Read request to user
C1218	+MIPLWRITE	Write request to user
C1219	+MIPLEXECUTE	Execute request to user
C1220	+MIPLOBSERVE	Observe request to user
C1221	+MIPLDISCOVER	Discover request to user
C1222	+MIPLPARAMETER	Set parameter request to user
C1223	+MIPLEVENT	Event indication to user

 

 

13. Telecom IoT Application		Description
C1301	AT+SIMLCREATE	Create configuration
C1302	AT+SIMLMODE	Connection mode
C1303	AT+SIMLOPEN	Connect to Telecom IOT
C1304	AT+SIMLSEND	Send data to Telecom IOT
C1305	AT+SIMLCLOSE	Disconnect to Telecom IOT

 

 

 

14. GNSS		Description
C1401	AT+CGNSPWR	GNSS Power Control
C1402	AT+CGNSINF	GNSS Navigation Information Parsed From NMEA Sentences
C1403	AT+CGNSURC	GNSS Navigation URC Report
C1404	AT+CGNSPORT	GNSS NMEA Out Port Set
C1405	AT+CGNSCOLD	GNSS Cold Start
C1406	AT+CGNSWARM	GNSS Warm Start
C1407	AT+CGNSHOT	GNSS Hot Start
C1408	AT+CGNSMOD	GNSS Work Mode Set
C1409	AT+CGNSCFG	GNSS NMEA Out Configure
C1410	AT+CGNSTST	GNSS NMEA Data Output to AT Port
C1411	AT+CGNSXTRA	GNSS XTRA Function Open
C1412	AT+CGNSCPY	GNSS XTRA File Copy
C1413	AT+CGNSRTMS	GNSS NMEA out frequency configure
C1414	AT+CGNSHOR	Configure Positioning Desired Accuracy
C1415	AT+CGNSUTIPR	Configure Baud Rate When NMEA Output From UART3
C1416	AT+CGNSNMEA	Configure NMEA output sentences
C1417	AT+CGTP	IZAT GNSS Configure
C1418	AT+CGNSSUPLCFG	GNSS SUPL Configure
C1419	AT+CGNSSUPL	GNSS SUPL Control

 

 

 

15. File System		Description
C1501	AT+CFSINIT	Get Flash Data Buffer
C1502	AT+CFSWFILE	Write File to the Flash Buffer Allocated by CFSINIT
C1503	AT+CFSRFILE	Read File from Flash
C1504	AT+CFSDFILE	Delete the File from the Flash
C1505	AT+CFSGFIS	Get File Size
C1506	AT+CFSREN	Rename a file
C1507	AT+CFSGFRS	Get the size of file system
C1508	AT+CFSTERM	Free the Flash Buffer Allocated by CFSINIT
C1509	AT+CBAINIT	Initialize the ap backup file system
C1510	AT+CBALIST	Set the files which want to backup
C1511	AT+CBAPPS	Start to backup ap file system allocated by CBAINIT and CBALIST
C1512	AT+CBART	Restore the file into ap file system

 

 

 

16. SAT (SIM Application Toolkit)		Description
C1601	AT+STIN	SAT indication
C1602	AT+STGI	Get SAT information
C1603	AT+STGR	SAT respond
C1604	AT+STK	STK switch

 

 

 

17. SSL		Description
C1701	AT+CSSLCFG	Configure SSL parameters of context identifier

 

 

 

18. TCP/UDP		Description
C1801	AT+CACID	Set TCP/UDP identifier
C1802	AT+CASSLCFG	Set SSL certificate and timeout parameters
C1803	AT+CAOPEN	Open a TCP/UDP connection
C1804	AT+CASERVER	Open a TCP/UDP Server
C1805	AT+CASEND	Send data via an established connection
C1806	AT+CARECV	Receive data via an established connection
C1807	AT+CAACK	Query Send Data Information
C1808	AT+CASTATE	Query TCP/UDP Connection State
C1809	AT+CACLOSE	Close a TCP/UDP connection
C1810	AT+CACFG	Configure transparent transmission parameters
C1811	AT+CASWITCH	Switch to transparent transport mode

 

 

 

19. PING		Description
C1901	AT+SNPING4	Sends an IPv4 ping
C1902	AT+SNPING6	Sends an IPv6 ping

 

 

21 MQTT		Description
C2101	AT+SMCONF	Set MQTT Parameter
C2102	AT+CSSLCFG	SSL Configure
C2103	AT+SMSSL	Select SSL Configure
C2104	AT+SMCONN	MQTT Connection
C2105	AT+SMPUB	Send Packet
C2106	AT+SMSUB	Subscribe Packet
C2107	AT+SMUNSUB	Unsubscribe Packet
C2108	AT+SMSTATE	Inquire MQTT Connection Status
C2109	AT+SMPUBHEX	Set SMPUB Data Format to Hex
C2110	AT+SMDISC	Disconnection MQTT