Contents

1 AT Command Settings
1.1 Definitions
1.1.1 Command description
1.1.2 Command line
1.1.3 Default values
1.1.4 Information text responses and result codes
1.1.5 S-parameters
2 General operation
2.1 Start up
2.2 AT Command types
2.2.1 Set command
2.2.2 Read command
2.2.3 Status command
2.2.4 Unsolicited result code (URC)
2.3 Data types
2.3.1 String
2.3.2 Integer
2.3.3 Enumerator
2.3.4 Byte_Array
2.3.5 IPv4_Addr
2.3.6 IPv6_Addr
2.3.7 MAC_Addr
2.3.8 Bd_Addr
2.3.9 List
2.3.10 Binary data
2.4 Host library
3 General
3.1 AT Commands
3.1.1 AT - Attention
3.1.2 AT+CGMI - Manufacturer identification
3.1.3 AT+GMI - Manufacturer identification
3.1.4 AT+CGMM - Model identification
3.1.5 AT+GMM - Model identification
3.1.6 AT+CGMR - Software version identification
3.1.7 AT+GMR - Software version identification
3.1.8 AT+CGSN - Serial number
3.1.9 AT+GSN - Serial number
3.1.10 ATI - Identification information
3.1.11 AT+CSGT - Greeting Text
4 System
4.1 AT Commands
4.1.1 AT+CPWROFF - Module switch off
4.1.2 AT&W - Store current configuration
4.1.3 AT+USYLA - Local Address
4.1.4 AT+USYFR - Factory Restore
4.1.5 AT+USYDS - Default Settings
4.1.6 AT+USYUS - Uart Settings
4.1.7 AT+USYFWUS - Firmware Update using serial port
4.1.8 AT+USYBL - Start the boot loader command line interface
4.1.9 AT+USYEC - Error Code
4.1.10 AT+USYEE - Extended Error codes on/off
4.1.11 ATE - Echo On/Off
4.1.12 ATS - S-registers
4.1.13 AT+UTMES - Transparent mode escape sequence settings
5 Bluetooth
5.1 AT Commands
5.1.1 AT+UBTM - Bluetooth Mode
5.1.2 AT+UBTC - Bluetooth Connect
5.1.3 AT+UBTP - Bluetooth Persistent
5.1.4 AT+UBTPR - Bluetooth Persistent Remove
5.1.5 AT+UBTPL - Bluetooth Persistent List
5.1.6 AT+UBTDC - Bluetooth Disconnect
5.1.7 AT+UBTLN - Bluetooth Local Name
5.1.8 AT+UBTD - Bluetooth Discovery
5.1.9 AT+UBTBGD - Bluetooth Background Discovery
5.1.10 AT+UBTRSS - Bluetooth RSSI
5.1.11 AT+UBTCL - Bluetooth Connection List
5.1.12 AT+UBTCST - Bluetooth Connection Status
5.1.13 AT+UBTAD - Bluetooth Advertising Data
5.1.14 AT+UBTSD - Bluetooth Scan Data
5.1.15 AT+UBTA - Bluetooth Advertisements
5.1.16 AT+UBTDA - Bluetooth Directed Advertisement
5.1.17 AT+UBTCS - Bluetooth Connection Settings
5.1.18 AT+UBTAS - Bluetooth Advertisement Settings.
5.1.19 AT+UBTIOC - Bluetooth I/O Capabilities
5.1.20 AT+UBTBSM - Bluetooth Bond Security Mode
5.1.21 AT+UBTPM - Bluetooth Pairing Mode
5.1.22 AT+UBTUC - Bluetooth User Confirmation
5.1.23 AT+UBTUPE - User passkey entry
5.1.24 AT+UBTB - Bluetooth Bond
5.1.25 AT+UBTUB - Bluetooth Unbond
5.1.26 AT+UBTBDL - Bluetooth Bonded Devices List
5.1.27 AT+UBTDIS - Bluetooth Device Information Service
5.1.28 AT+UBTPHYR - Bluetooth PHY Request
5.2 Unsolicited Response Codes
5.2.1 +UEBTC - Event Bluetooth Connected
5.2.2 +UEBTDC - Event Bluetooth Disconnected
5.2.3 +UEBTB - Event Bluetooth Bond status
5.2.4 +UEBTUC - Event Bluetooth User Confirmation
5.2.5 +UEBTUPD - Event Bluetooth Passkey entry
5.2.6 +UEBTUPE - Event Bluetooth Passkey request
5.2.7 +UEBTPHYU - Event Bluetooth PHY update
6 GATT Client
6.1 AT Commands
6.1.1 AT+UBTGPSD - GATT Primary Services Discover
6.1.2 AT+UBTGPSDU - GATT Primary Services Discover by UUID
6.1.3 AT+UBTGSCD - GATT Service Characteristics Discover
6.1.4 AT+UBTGCDD - GATT Characteristic Descriptors Discover
6.1.5 AT+UBTGR - GATT Read
6.1.6 AT+UBTGRU - GATT Read characteristic by UUID
6.1.7 AT+UBTGW - GATT Write
6.1.8 AT+UBTGCCW - GATT Client Configuration Write
6.1.9 AT+UBTGWNR - GATT Write with No Response
6.1.10 AT+UBTGWL - GATT Write long
6.2 Unsolicited Response Codes
6.2.1 +UEBTGCN - Event GATT Client Notification
6.2.2 +UEBTGCI - Event GATT Client Indication
7 GATT Server
7.1 AT Commands
7.1.1 AT+UBTGS - GATT Service define
7.1.2 AT+UBTGC - GATT Characteristic define
7.1.3 AT+UBTGHCC - GATT Host Controlled Characteristic
7.1.4 AT+UBTGD - GATT Descriptor define
7.1.5 AT+UBTGSA - GATT Service Activate
7.1.6 AT+UBTGRRR - GATT Read Request Respond
7.1.7 AT+UBTGNS - GATT Notification Send
7.1.8 AT+UBTGIS - GATT Indication Send
7.1.9 AT+UBTGAV - GATT Attribute Value
7.1.10 AT+UBTGRRRE - GATT Read Request Respond with error code
7.1.11 AT+UBTGWRE - GATT Write Respond with Error code
7.1.12 AT+UBTGWRR - GATT Write Request Respond
7.1.13 AT+UBTGSCI - GATT Service Changed Indication
7.2 Unsolicited Response Codes
7.2.1 +UEBTGCW - Event GATT Server Write
7.2.2 +UEBTGRR - Event GATT Server Read Response
7.2.3 +UEBTGIC - Event GATT Server Indication Confirmation
8 SPS
8.1 AT Commands
8.1.1 AT+USPSC - SPS Connect
8.1.2 AT+USPS - SPS - Enable/Disable Service
8.1.3 AT+USPSWS - SPS Write String
8.1.4 AT+USPSWB - SPS Write Binary
8.1.5 AT+USPSRM - SPS Receive Mode
8.1.6 AT+USPSRS - SPS Read String
8.1.7 AT+USPSRB - SPS Read Binary
8.2 Unsolicited Response Codes
8.2.1 +UESPSC - Event SPS Connection
8.2.2 +UESPSDC - Event SPS Disconnection
8.2.3 +UESPSDS - Event SPS Data String
8.2.4 +UESPSDB - Event SPS Data Binary
8.2.5 +UESPSDA - Event SPS Data Available
9 Wi-Fi
9.1 AT Commands
9.1.1 AT+UWHN - Wi-Fi Host Name
9.1.2 AT+UWSSE - Wi-Fi Station Enterprise security
9.1.3 AT+UWSS - Wi-Fi Security Config
9.1.4 AT+UWSSP - Wi-Fi Station PEAP security
9.1.5 AT+UWSSW - Wi-Fi Station Security WPA
9.1.6 AT+UWSSO - Wi-Fi Station Security Open
9.1.7 AT+UWSCP - Wi-Fi Station Connection Parameters
9.1.8 AT+UWSIPS - Wi-Fi Station IP Static configuration
9.1.9 AT+UWSIPD - Wi-Fi Station IP with DHCP
9.1.10 AT+UWSIP - Wi-Fi Station IP configuration
9.1.11 AT+UWSC - Wi-Fi Station Connect
9.1.12 AT+UWSDC - Wi-Fi Station Disconnect
9.1.13 AT+UWSNST - Wi-Fi Station Network Status
9.1.14 AT+UWRD - Wi-Fi Regulatory Domain
9.1.15 AT+UWSSC - Wi-Fi Station Scan
9.1.16 AT+UWSST - Wi-Fi Station Status
9.1.17 AT+UWAPA - Wi-Fi Access Point Activate
9.1.18 AT+UWAPD - Wi-Fi Access Point Deactivate
9.1.19 AT+UWAPCP - Wi-Fi AP Connection Parameters
9.1.20 AT+UWAPSW - Wi-Fi AP Security WPA
9.1.21 AT+UWAPSO - Wi-Fi AP Security Open
9.1.22 AT+UWAPS - Wi-Fi AP Security
9.1.23 AT+UWAPCS - Wi-Fi Access Point Connected Stations
9.1.24 AT+UWAPNST - Wi-Fi Access Point Network Status
9.1.25 AT+UWSROE - Wi-Fi Station Roaming Enable/Disable
9.1.26 AT+UWSROS - Wi-Fi Station Roaming Settings
9.2 Unsolicited Response Codes
9.2.1 +UEWLU - Event Wi-Fi Link Up
9.2.2 +UEWLD - Event Wi-Fi Link Down
9.2.3 +UEWSNU - Event Wi-Fi Station Network Up
9.2.4 +UEWSND - Event Wi-Fi Station Network Down
9.2.5 +UEWSRSI - Event Wi-Fi Station Roaming Switch Initiated
9.2.6 +UEWSRSF - Event Wi-Fi Station Roaming Switch Failed
9.2.7 +UEWSRSC - Event Wi-Fi Station Roaming Switch Completed
9.2.8 +UEWAPNU - Event Wi-Fi Access Point Network Up
9.2.9 +UEWAPND - Event Wi-Fi Access Point Network Down
9.2.10 +UEWAPU - Event Wi-Fi Access Point Up
9.2.11 +UEWAPD - Event Wi-Fi Access Point Down
9.2.12 +UEWAPSA - Event Wi-Fi Access Point Station Associated
9.2.13 +UEWAPSDA - Event Wi-Fi Access Point Station Disassociated
10 Socket
10.1 AT Commands
10.1.1 AT+USOCR - Create Socket
10.1.2 AT+USOPCR - Create Persistent Socket
10.1.3 AT+USOTLS - Socket TLS
10.1.4 AT+USOC - Socket Connect
10.1.5 AT+USOP - Socket Persistent
10.1.6 AT+USOPR - Socket Persistent Remove
10.1.7 AT+USOPL - Socket Persistent List
10.1.8 AT+USORM - Socket Receive Mode
10.1.9 AT+USOWS - Socket Write String
10.1.10 AT+USOWB - Socket Write Binary
10.1.11 AT+USOCL - Close socket
10.1.12 AT+USORS - Read Socket String
10.1.13 AT+USORB - Socket Read Binary
10.1.14 AT+USOE - Socket Error
10.1.15 AT+USOL - Socket Listen
10.1.16 AT+USORF - Socket Read From
10.1.17 AT+USOPA - Socket Peer Address
10.1.18 AT+USOST - Socket Status
10.1.19 AT+USOO - Socket Options
10.1.20 AT+USOH - Socket Host by Name
10.2 Unsolicited Response Codes
10.2.1 +UESOC - Event Socket Connection
10.2.2 +UESODA - Event Socket Data Available
10.2.3 +UESODS - Event Socket Data String
10.2.4 +UESODSF - Event Socket Data String From
10.2.5 +UESODB - Event Socket Data Binary
10.2.6 +UESODBF - Event Socket Data Binary From
10.2.7 +UESOCL - Event Socket Closed
10.2.8 +UESOIC - Event Socket Incoming Connection
11 MQTT
11.1 AT Commands
11.1.1 AT+UMQCP - MQTT Connection Parameters
11.1.2 AT+UMQC - MQTT Connect to Broker
11.1.3 AT+UMQKA - MQTT Keep Alive
11.1.4 AT+UMQLWT - MQTT Last Will and Testament
11.1.5 AT+UMQTLS - MQTT TLS Configuration
11.1.6 AT+UMQDC - MQTT Disconnect
11.1.7 AT+UMQPS - MQTT Publish String
11.1.8 AT+UMQPB - MQTT Publish Binary
11.1.9 AT+UMQS - MQTT Subscribe
11.1.10 AT+UMQRS - MQTT Read String
11.1.11 AT+UMQRB - MQTT Read Binary
11.2 Unsolicited Response Codes
11.2.1 +UEMQC - Event MQTT Connected
11.2.2 +UEMQDC - Event MQTT Disconnected
11.2.3 +UEMQDA - Event MQTT Data Available
12 Security
12.1 AT Commands
12.1.1 AT+USECR - Security Certificate Remove
12.1.2 AT+USECUB - Security Certificate Upload Binary
12.1.3 AT+USECL - Security Certificates List
12.1.4 AT+USETE - Security TLS Extensions
12.1.5 AT+USETE0 - Security TLS Extensions Server Name Indication
12.1.6 AT+USETE1 - Security TLS Extensions Handshake Fragmentation
13 Power
13.1 AT Commands
13.1.1 AT+UPMDS - Power Management Deep Sleep
13.1.2 AT+UPMPSL - Power Management Power Save Level
13.1.3 AT+UPMPSTO - Power Management Power Save Timeout
14 Transparent
14.1 AT Commands
14.1.1 AT+UTM - Transparent Mode
14.1.2 AT+UTMP - Transparent Mode Persistent
14.1.3 AT+UTMPC - Transparent Mode Persistent Clear
15 Diagnostics
15.1 AT Commands
15.1.1 AT+UDGP - Diagnostics Ping
15.1.2 AT+UDGSP - Stop an ongoing Ping
15.1.3 AT+UDGI - Diagnostics Iperf
15.2 Unsolicited Response Codes
15.2.1 +UEDGPC - Event Ping Complete
15.2.2 +UEDGP - Event Ping Response
15.2.3 +UEDGI - Event Iperf output

Last updated: 04 March 2025

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