SARA R4 / N4 AT Commands Manual

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Preface
- Applicable products
- How to use this Manual
- Summary table
- u-⁠blox Technical Documentation
- Questions
- Technical Support
Contents
1 AT command settings
- 1.1 Definitions
- 1.2 Storing of AT commands setting
- 1.3 S-parameters
2 General operation
- 2.1 Start up and initialization
  - 2.1.1 Auto-⁠registration
  - 2.1.2 Operational restrictions
- 2.2 AT commands types
3 IPC - Inter Processor Communication
- 3.1 Multiplexing mode +CMUX
  - 3.1.1 Description
  - 3.1.2 Syntax
  - 3.1.3 Defined values
  - 3.1.4 Notes
4 General
- 4.1 Manufacturer identification +CGMI
  - 4.1.1 Description
  - 4.1.2 Syntax
  - 4.1.3 Defined values
- 4.2 Manufacturer identification +GMI
  - 4.2.1 Description
  - 4.2.2 Syntax
  - 4.2.3 Defined values
- 4.3 Model identification +CGMM
  - 4.3.1 Description
  - 4.3.2 Syntax
  - 4.3.3 Defined values
- 4.4 Model identification +GMM
  - 4.4.1 Description
  - 4.4.2 Syntax
  - 4.4.3 Defined values
- 4.5 Firmware version identification +CGMR
  - 4.5.1 Description
  - 4.5.2 Syntax
  - 4.5.3 Defined values
- 4.6 Firmware version identification +GMR
  - 4.6.1 Description
  - 4.6.2 Syntax
  - 4.6.3 Defined values
- 4.7 IMEI identification +CGSN
  - 4.7.1 Description
  - 4.7.2 Syntax
  - 4.7.3 Defined values
  - 4.7.4 Notes
- 4.8 IMEI identification +GSN
  - 4.8.1 Description
  - 4.8.2 Syntax
  - 4.8.3 Defined values
- 4.9 Identification information I
  - 4.9.1 Description
  - 4.9.2 Syntax
  - 4.9.3 Defined values
- 4.10 TE character set configuration +CSCS
  - 4.10.1 Description
  - 4.10.2 Syntax
  - 4.10.3 Defined values
- 4.11 International mobile subscriber identification +CIMI
  - 4.11.1 Description
  - 4.11.2 Syntax
  - 4.11.3 Defined values
- 4.12 Card identification +CCID
  - 4.12.1 Description
  - 4.12.2 Syntax
  - 4.12.3 Defined values
  - 4.12.4 Notes
- 4.13 Repeat last command A/
  - 4.13.1 Description
  - 4.13.2 Syntax
5 Mobile equipment control and status
- 5.1 Module switch off +CPWROFF
  - 5.1.1 Description
  - 5.1.2 Syntax
- 5.2 Set module functionality +CFUN
  - 5.2.1 Description
  - 5.2.2 Syntax
  - 5.2.3 Defined values
  - 5.2.4 Notes
- 5.3 Indicator control +CIND
  - 5.3.1 Description
  - 5.3.2 Syntax
  - 5.3.3 Defined values
  - 5.3.4 Notes
- 5.4 Configuration of indicator control +UCIND
  - 5.4.1 Description
  - 5.4.2 Syntax
  - 5.4.3 Defined values
- 5.5 Mobile termination event reporting +CMER
  - 5.5.1 Description
  - 5.5.2 Syntax
  - 5.5.3 Defined values
- 5.6 Clock +CCLK
  - 5.6.1 Description
  - 5.6.2 Syntax
  - 5.6.3 Defined values
  - 5.6.4 Notes
- 5.7 Set greeting text +CSGT
  - 5.7.1 Description
  - 5.7.2 Syntax
  - 5.7.3 Defined values
- 5.8 Automatic time zone update +CTZU
  - 5.8.1 Description
  - 5.8.2 Syntax
  - 5.8.3 Defined values
  - 5.8.4 Notes
- 5.9 Report mobile termination error +CMEE
  - 5.9.1 Description
  - 5.9.2 Syntax
  - 5.9.3 Defined values
  - 5.9.4 Notes
6 Call control
- 6.1 Dial command D
  - 6.1.1 Description
  - 6.1.2 Syntax
  - 6.1.3 Defined values
  - 6.1.4 Notes
- 6.2 Call answer A
  - 6.2.1 Description
  - 6.2.2 Syntax
- 6.3 Hook control H
  - 6.3.1 Description
  - 6.3.2 Syntax
- 6.4 Automatic answer S0
  - 6.4.1 Description
  - 6.4.2 Syntax
  - 6.4.3 Defined values
  - 6.4.4 Notes
7 Network service
- 7.1 Subscriber number +CNUM
  - 7.1.1 Description
  - 7.1.2 Syntax
  - 7.1.3 Defined values
- 7.2 Signal quality +CSQ
  - 7.2.1 Description
  - 7.2.2 Syntax
  - 7.2.3 Defined values
  - 7.2.4 Notes
- 7.3 Extended signal quality +CESQ
  - 7.3.1 Description
  - 7.3.2 Syntax
  - 7.3.3 Defined values
- 7.4 Operator selection +COPS
  - 7.4.1 Description
  - 7.4.2 Syntax
  - 7.4.3 Defined values
  - 7.4.4 Notes
- 7.5 Radio Access Technology (RAT) selection +URAT
  - 7.5.1 Description
  - 7.5.2 Syntax
  - 7.5.3 Defined values
  - 7.5.4 Notes
- 7.6 Network registration status +CREG
  - 7.6.1 Description
  - 7.6.2 Syntax
  - 7.6.3 Defined values
  - 7.6.4 Notes
- 7.7 Network selection control +PACSP
  - 7.7.1 Description
  - 7.7.2 Syntax
  - 7.7.3 Defined values
  - 7.7.4 Notes
- 7.8 Channel and network environment description +UCGED
  - 7.8.1 Description
  - 7.8.2 Syntax
  - 7.8.3 Defined values
- 7.9 Edit Verizon wireless APN table +VZWAPNE
  - 7.9.1 Description
  - 7.9.2 Syntax
  - 7.9.3 Defined values
  - 7.9.4 Notes
- 7.10 Read RSRP values +VZWRSRP
  - 7.10.1 Description
  - 7.10.2 Syntax
  - 7.10.3 Defined values
- 7.11 Read RSRQ values +VZWRSRQ
  - 7.11.1 Description
  - 7.11.2 Syntax
  - 7.11.3 Defined values
- 7.12 eDRX setting +CEDRXS
  - 7.12.1 Description
  - 7.12.2 Syntax
  - 7.12.3 Defined values
- 7.13 eDRX read dynamic parameters +CEDRXRDP
  - 7.13.1 Description
  - 7.13.2 Syntax
  - 7.13.3 Defined values
- 7.14 Set MNO profile +UMNOPROF
  - 7.14.1 Description
  - 7.14.2 Syntax
  - 7.14.3 Defined values
- 7.15 Band selection bitmask +UBANDMASK
  - 7.15.1 Description
  - 7.15.2 Syntax
  - 7.15.3 Defined values
8 Security
- 8.1 Enter PIN +CPIN
  - 8.1.1 Description
  - 8.1.2 Syntax
  - 8.1.3 Defined values
  - 8.1.4 Notes
- 8.2 Facility lock +CLCK
  - 8.2.1 Description
  - 8.2.2 Syntax
  - 8.2.3 Defined values
- 8.3 Change password +CPWD
  - 8.3.1 Description
  - 8.3.2 Syntax
  - 8.3.3 Defined values
  - 8.3.4 Notes
9 Short Messages Service
- 9.1 Introduction
  - 9.1.1 Class 0 SMS
  - 9.1.2 <index> parameter range
  - 9.1.3 Limitations
- 9.2 Select message service +CSMS
  - 9.2.1 Description
  - 9.2.2 Syntax
  - 9.2.3 Defined values
  - 9.2.4 Notes
- 9.3 Preferred message storage +CPMS
  - 9.3.1 Description
  - 9.3.2 Syntax
  - 9.3.3 Defined values
- 9.4 Preferred message format +CMGF
  - 9.4.1 Description
  - 9.4.2 Syntax
  - 9.4.3 Defined values
- 9.5 Save settings +CSAS
  - 9.5.1 Description
  - 9.5.2 Syntax
  - 9.5.3 Defined values
- 9.6 Restore settings +CRES
  - 9.6.1 Description
  - 9.6.2 Syntax
  - 9.6.3 Defined values
- 9.7 New message indication +CNMI
  - 9.7.1 Description
  - 9.7.2 Syntax
  - 9.7.3 Defined values
  - 9.7.4 Notes
- 9.8 Read message +CMGR
  - 9.8.1 Description
  - 9.8.2 Syntax
  - 9.8.3 Defined values
- 9.9 New message acknowledgement to MT +CNMA
  - 9.9.1 Description
  - 9.9.2 Syntax
  - 9.9.3 Defined values
- 9.10 List message +CMGL
  - 9.10.1 Description
  - 9.10.2 Syntax
  - 9.10.3 Defined values
- 9.11 Send message +CMGS
  - 9.11.1 Description
  - 9.11.2 Syntax
  - 9.11.3 Defined values
  - 9.11.4 Notes
- 9.12 Write message to memory +CMGW
  - 9.12.1 Description
  - 9.12.2 Syntax
  - 9.12.3 Defined values
- 9.13 Send message from storage +CMSS
  - 9.13.1 Description
  - 9.13.2 Syntax
  - 9.13.3 Defined values
- 9.14 Set text mode parameters +CSMP
  - 9.14.1 Description
  - 9.14.2 Syntax
  - 9.14.3 Defined values
- 9.15 Delete message +CMGD
  - 9.15.1 Description
  - 9.15.2 Syntax
  - 9.15.3 Defined values
- 9.16 Service center address +CSCA
  - 9.16.1 Description
  - 9.16.2 Syntax
  - 9.16.3 Defined values
- 9.17 Read concatenated message +UCMGR
  - 9.17.1 Description
  - 9.17.2 Syntax
  - 9.17.3 Defined values
- 9.18 List concatenated message +UCMGL
  - 9.18.1 Description
  - 9.18.2 Syntax
  - 9.18.3 Defined values
- 9.19 Send concatenated message +UCMGS
  - 9.19.1 Description
  - 9.19.2 Syntax
  - 9.19.3 Defined values
- 9.20 Write concatenated message to memory +UCMGW
  - 9.20.1 Description
  - 9.20.2 Syntax
  - 9.20.3 Defined values
- 9.21 More messages to send +CMMS
  - 9.21.1 Description
  - 9.21.2 Syntax
  - 9.21.3 Defined values
- 9.22 Sending of originating data via the control plane +CSODCP
  - 9.22.1 Description
  - 9.22.2 Syntax
  - 9.22.3 Defined values
- 9.23 Terminating data reporting via control plane +CRTDCP
  - 9.23.1 Description
  - 9.23.2 Syntax
  - 9.23.3 Defined values
10 V24 control and V25ter
- 10.1 Introduction
- 10.2 Circuit 109 behavior &C
  - 10.2.1 Description
  - 10.2.2 Syntax
  - 10.2.3 Defined values
  - 10.2.4 Notes
- 10.3 Circuit 108/2 behavior &D
  - 10.3.1 Description
  - 10.3.2 Syntax
  - 10.3.3 Defined values
  - 10.3.4 ~+++ behavior in PSD &D
  - 10.3.5 Circuit 108/2, +++ behavior for the different &D: summarizing tables
  - 10.3.6 Notes
- 10.4 DSR override &S
  - 10.4.1 Description
  - 10.4.2 Syntax
  - 10.4.3 Defined values
  - 10.4.4 Notes
- 10.5 Flow control &K
  - 10.5.1 Description
  - 10.5.2 Syntax
  - 10.5.3 Defined values
  - 10.5.4 Notes
  - 10.5.5 SW flow control enhancement for PSD data transfer with PPP L2 protocol
- 10.6 DTE-⁠DCE character framing +ICF
  - 10.6.1 Description
  - 10.6.2 Syntax
  - 10.6.3 Defined values
  - 10.6.4 Notes
- 10.7 DTE-⁠DCE local flow control +IFC
  - 10.7.1 Description
  - 10.7.2 Syntax
  - 10.7.3 Defined values
  - 10.7.4 Notes
- 10.8 Set flow control \Q
  - 10.8.1 Description
  - 10.8.2 Syntax
  - 10.8.3 Defined values
- 10.9 UART data rate configuration +IPR
  - 10.9.1 Description
  - 10.9.2 Syntax
  - 10.9.3 Defined values
  - 10.9.4 Notes
- 10.10 Return to on-⁠line data state O
  - 10.10.1 Description
  - 10.10.2 Syntax
  - 10.10.3 Defined values
  - 10.10.4 Notes
- 10.11 Escape character S2
  - 10.11.1 Description
  - 10.11.2 Syntax
  - 10.11.3 Defined values
  - 10.11.4 Notes
- 10.12 Command line termination character S3
  - 10.12.1 Description
  - 10.12.2 Syntax
  - 10.12.3 Defined values
- 10.13 Response formatting character S4
  - 10.13.1 Description
  - 10.13.2 Syntax
  - 10.13.3 Defined values
- 10.14 Command line editing character S5
  - 10.14.1 Description
  - 10.14.2 Syntax
  - 10.14.3 Defined values
- 10.15 Pause before blind dialling S6
  - 10.15.1 Description
  - 10.15.2 Syntax
  - 10.15.3 Defined values
- 10.16 Connection completion timeout S7
  - 10.16.1 Description
  - 10.16.2 Syntax
  - 10.16.3 Defined values
- 10.17 Command dial modifier time S8
  - 10.17.1 Description
  - 10.17.2 Syntax
  - 10.17.3 Defined values
- 10.18 Automatic disconnect delay S10
  - 10.18.1 Description
  - 10.18.2 Syntax
  - 10.18.3 Defined values
  - 10.18.4 Notes
- 10.19 Escape prompt delay (EPD) S12
  - 10.19.1 Description
  - 10.19.2 Syntax
  - 10.19.3 Defined values
- 10.20 Command echo E
  - 10.20.1 Description
  - 10.20.2 Syntax
  - 10.20.3 Defined values
- 10.21 Result code suppression Q
  - 10.21.1 Description
  - 10.21.2 Syntax
  - 10.21.3 Defined values
- 10.22 DCE response format V
  - 10.22.1 Description
  - 10.22.2 Syntax
  - 10.22.3 Defined values
- 10.23 Result code selection and call progress monitoring control X
  - 10.23.1 Description
  - 10.23.2 Syntax
  - 10.23.3 Defined values
- 10.24 Reset to default configuration Z
  - 10.24.1 Description
  - 10.24.2 Syntax
  - 10.24.3 Defined values
- 10.25 Set to factory defined configuration &F
  - 10.25.1 Description
  - 10.25.2 Syntax
  - 10.25.3 Defined values
- 10.26 Display current configuration &V
  - 10.26.1 Description
  - 10.26.2 Syntax
  - 10.26.3 Notes
11 SIM management
- 11.1 Generic SIM access +CSIM
  - 11.1.1 Description
  - 11.1.2 Syntax
  - 11.1.3 Defined values
- 11.2 Read the SIM language +CLAN
  - 11.2.1 Description
  - 11.2.2 Syntax
  - 11.2.3 Defined values
- 11.3 SIM states reporting +USIMSTAT
  - 11.3.1 Description
  - 11.3.2 Syntax
  - 11.3.3 Defined values
  - 11.3.4 Notes
12 SIM toolkit
- 12.1 Introduction
- 12.2 Bearer Independent Protocol status indication +UBIP
  - 12.2.1 Description
  - 12.2.2 Syntax
  - 12.2.3 Defined values
- 12.3 Read the USAT profile +CUSATR
  - 12.3.1 Description
  - 12.3.2 Syntax
  - 12.3.3 Defined values
- 12.4 Write the USAT profile +CUSATW
  - 12.4.1 Description
  - 12.4.2 Syntax
  - 12.4.3 Defined values
- 12.5 Enable USAT terminal URCs +UCUSATA
  - 12.5.1 Description
  - 12.5.2 Syntax
  - 12.5.3 Defined values
  - 12.5.4 Notes
13 Packet switched data services
- 13.1 PDP contexts and parameter definition
- 13.2 PPP LCP handshake behaviour
- 13.3 PDP context definition +CGDCONT
  - 13.3.1 Description
  - 13.3.2 Syntax
  - 13.3.3 Defined values
  - 13.3.4 Notes
- 13.4 Packet switched data configuration +UPSD
  - 13.4.1 Description
  - 13.4.2 Syntax
  - 13.4.3 Defined values
  - 13.4.4 Notes
- 13.5 GPRS attach or detach +CGATT
  - 13.5.1 Description
  - 13.5.2 Syntax
  - 13.5.3 Defined values
- 13.6 PDP context activate or deactivate +CGACT
  - 13.6.1 Description
  - 13.6.2 Syntax
  - 13.6.3 Defined values
  - 13.6.4 Notes
  - 13.6.5 Examples
- 13.7 Enter PPP state/GPRS dial-⁠up D*
  - 13.7.1 Description
  - 13.7.2 Local dial-up
  - 13.7.3 Syntax
  - 13.7.4 Defined values
  - 13.7.5 Notes
- 13.8 Show PDP address +CGPADDR
  - 13.8.1 Description
  - 13.8.2 Syntax
  - 13.8.3 Defined values
- 13.9 GPRS event reporting +CGEREP
  - 13.9.1 Description
  - 13.9.2 Syntax
  - 13.9.3 Defined values
  - 13.9.4 Explanation of URCs
- 13.10 GPRS network registration status +CGREG
  - 13.10.1 Description
  - 13.10.2 Syntax
  - 13.10.3 Defined values
  - 13.10.4 Notes
- 13.11 Manual deactivation of a PDP context H
  - 13.11.1 Description
  - 13.11.2 Syntax
- 13.12 UE modes of operation for EPS +CEMODE
  - 13.12.1 Description
  - 13.12.2 Syntax
  - 13.12.3 Defined values
  - 13.12.4 Notes
- 13.13 EPS network registration status +CEREG
  - 13.13.1 Description
  - 13.13.2 Syntax
  - 13.13.3 Defined values
  - 13.13.4 Notes
- 13.14 Delete non-⁠active PDP contexts +CGDEL
  - 13.14.1 Description
  - 13.14.2 Syntax
  - 13.14.3 Defined values
- 13.15 Configure the authentication parameters of a PDP/EPS bearer +UAUTHREQ
  - 13.15.1 Description
  - 13.15.2 Syntax
  - 13.15.3 Defined values
  - 13.15.4 Notes
- 13.16 PDP IP configuration when roaming +UDCONF=75
  - 13.16.1 Description
  - 13.16.2 Syntax
  - 13.16.3 Defined values
  - 13.16.4 Notes
- 13.17 Enable/Disable data when roaming +UDCONF=76
  - 13.17.1 Description
  - 13.17.2 Syntax
  - 13.17.3 Defined values
  - 13.17.4 Notes
14 System features
- 14.1 Firmware installation +UFWINSTALL
  - 14.1.1 Description
  - 14.1.2 Syntax
  - 14.1.3 Notes
- 14.2 Firmware update Over AT (FOAT) +UFWUPD
  - 14.2.1 Description
  - 14.2.2 Description
  - 14.2.3 Syntax
  - 14.2.4 Defined values
  - 14.2.5 Notes
- 14.3 Antenna detection +UANTR
  - 14.3.1 Description
  - 14.3.2 Syntax
  - 14.3.3 Defined values
  - 14.3.4 Notes
- 14.4 Power saving control (Power SaVing) +UPSV
  - 14.4.1 Description
  - 14.4.2 Syntax
  - 14.4.3 Defined values
  - 14.4.4 Notes
- 14.5 End user test +UTEST
  - 14.5.1 Description
  - 14.5.2 RF test description
  - 14.5.3 Syntax
  - 14.5.4 Defined values
  - 14.5.5 Notes
  - 14.5.6 Examples
  - 14.5.7 Digital pins testing description
  - 14.5.8 Syntax
  - 14.5.9 Defined values
  - 14.5.10 Notes
- 14.6 Internal temperature monitor +UTEMP
  - 14.6.1 Description
  - 14.6.2 Syntax
  - 14.6.3 Defined values
- 14.7 Power Saving Mode Setting +CPSMS
  - 14.7.1 Description
  - 14.7.2 Syntax
  - 14.7.3 Defined values
  - 14.7.4 Notes
- 14.8 Power Saving Mode Assigned Values +UCPSMS
  - 14.8.1 Description
  - 14.8.2 Syntax
  - 14.8.3 Defined values
  - 14.8.4 Notes
- 14.9 Set LWM2M FOTA URCs +ULWM2MSTAT
  - 14.9.1 Description
  - 14.9.2 Syntax
  - 14.9.3 Defined values
- 14.10 Cancel LWM2M FOTA Download +ULWM2M=0
  - 14.10.1 Description
  - 14.10.2 Syntax
- 14.11 LWM2M configuration +UFOTACONF
  - 14.11.1 Description
  - 14.11.2 Syntax
  - 14.11.3 Defined values
- 14.12 Last gasp configuration +ULGASP
  - 14.12.1 Description
  - 14.12.2 Syntax
  - 14.12.3 Defined values
  - 14.12.4 Notes
15 GPIO
- 15.1 Introduction
- 15.2 GPIO select configuration command +UGPIOC
  - 15.2.1 Description
  - 15.2.2 Syntax
  - 15.2.3 Defined values
- 15.3 GPIO read command +UGPIOR
  - 15.3.1 Description
  - 15.3.2 Syntax
  - 15.3.3 Defined values
  - 15.3.4 Notes
- 15.4 GPIO set command +UGPIOW
  - 15.4.1 Description
  - 15.4.2 Syntax
  - 15.4.3 Defined values
  - 15.4.4 Notes
16 File System
- 16.1 File tags
  - 16.1.1 Description
- 16.2 Download file +UDWNFILE
  - 16.2.1 Description
  - 16.2.2 Syntax
  - 16.2.3 Defined values
  - 16.2.4 Notes
- 16.3 List files information +ULSTFILE
  - 16.3.1 Description
  - 16.3.2 Syntax
  - 16.3.3 Defined values
- 16.4 Read file +URDFILE
  - 16.4.1 Description
  - 16.4.2 Syntax
  - 16.4.3 Defined values
  - 16.4.4 Notes
- 16.5 Partial read file +URDBLOCK
  - 16.5.1 Description
  - 16.5.2 Syntax
  - 16.5.3 Defined values
  - 16.5.4 Notes
- 16.6 Delete file +UDELFILE
  - 16.6.1 Description
  - 16.6.2 Syntax
  - 16.6.3 Defined values
- 16.7 Partial download file +UDWNBLOCK
  - 16.7.1 Description
  - 16.7.2 Syntax
  - 16.7.3 Defined values
  - 16.7.4 Notes
- 16.8 File system limits
  - 16.8.1 Limits
17 DNS
- 17.1 Resolve name / IP number through DNS +UDNSRN
  - 17.1.1 Description
  - 17.1.2 Syntax
  - 17.1.3 Defined values
  - 17.1.4 Notes
18 Internet protocol transport layer
- 18.1 Introduction
- 18.2 IPv4/IPv6 addressing
  - 18.2.1 Introduction
  - 18.2.2 IPv4
  - 18.2.3 IPv6
- 18.3 Create Socket +USOCR
  - 18.3.1 Description
  - 18.3.2 Syntax
  - 18.3.3 Defined values
- 18.4 SSL/TLS mode configuration on TCP socket +USOSEC
  - 18.4.1 Description
  - 18.4.2 Syntax
  - 18.4.3 Defined values
- 18.5 Set socket option +USOSO
  - 18.5.1 Description
  - 18.5.2 Syntax
  - 18.5.3 Defined values
  - 18.5.4 Notes
- 18.6 Get Socket Option +USOGO
  - 18.6.1 Description
  - 18.6.2 Syntax
  - 18.6.3 Defined values
  - 18.6.4 Notes
- 18.7 Close Socket +USOCL
  - 18.7.1 Description
  - 18.7.2 Syntax
  - 18.7.3 Defined values
  - 18.7.4 Notes
- 18.8 Get Socket Error +USOER
  - 18.8.1 Description
  - 18.8.2 Syntax
  - 18.8.3 Defined values
- 18.9 Connect Socket +USOCO
  - 18.9.1 Description
  - 18.9.2 Syntax
  - 18.9.3 Defined values
  - 18.9.4 Notes
- 18.10 Write socket data +USOWR
  - 18.10.1 Description
  - 18.10.2 Syntax
  - 18.10.3 Defined values
  - 18.10.4 Notes
- 18.11 SendTo command (UDP only) +USOST
  - 18.11.1 Description
  - 18.11.2 Syntax
  - 18.11.3 Defined values
  - 18.11.4 Notes
- 18.12 Read Socket Data +USORD
  - 18.12.1 Description
  - 18.12.2 Syntax
  - 18.12.3 Defined values
  - 18.12.4 Notes
- 18.13 Receive From command (UDP only) +USORF
  - 18.13.1 Description
  - 18.13.2 Syntax
  - 18.13.3 Defined values
  - 18.13.4 Notes
- 18.14 Set Listening Socket +USOLI
  - 18.14.1 Description
  - 18.14.2 Syntax
  - 18.14.3 Defined values
  - 18.14.4 Notes
- 18.15 HEX mode configuration +UDCONF=1
  - 18.15.1 Description
  - 18.15.2 Syntax
  - 18.15.3 Defined values
- 18.16 Set socket in Direct Link mode +USODL
  - 18.16.1 Description
  - 18.16.2 Syntax
  - 18.16.3 Defined values
  - 18.16.4 Enhanced Direct Link
- 18.17 UDP Direct Link Packet Size configuration +UDCONF=2
  - 18.17.1 Description
  - 18.17.2 Syntax
  - 18.17.3 Defined values
- 18.18 UDP Direct Link Sending timer configuration +UDCONF=3
  - 18.18.1 Description
  - 18.18.2 Syntax
  - 18.18.3 Defined values
- 18.19 Timer Trigger configuration for Direct Link +UDCONF=5
  - 18.19.1 Description
  - 18.19.2 Syntax
  - 18.19.3 Defined values
- 18.20 Data Length Trigger configuration for Direct Link +UDCONF=6
  - 18.20.1 Description
  - 18.20.2 Syntax
  - 18.20.3 Defined values
- 18.21 Character trigger configuration for Direct Link +UDCONF=7
  - 18.21.1 Description
  - 18.21.2 Syntax
  - 18.21.3 Defined values
- 18.22 Congestion timer configuration for Direct Link +UDCONF=8
  - 18.22.1 Description
  - 18.22.2 Syntax
  - 18.22.3 Defined values
- 18.23 Socket control +USOCTL
  - 18.23.1 Description
  - 18.23.2 Syntax
  - 18.23.3 Defined values
  - 18.23.4 Notes
- 18.24 Configure Dormant Close Socket Behavior +USOCLCFG
  - 18.24.1 Description
  - 18.24.2 Syntax
  - 18.24.3 Defined values
19 SSL/TLS
- 19.1 Introduction
- 19.2 SSL/TLS certificates and private keys manager +USECMNG
  - 19.2.1 Description
  - 19.2.2 Syntax
  - 19.2.3 Defined values
  - 19.2.4 Notes
- 19.3 SSL/TLS security layer profile manager +USECPRF
  - 19.3.1 Description
  - 19.3.2 Syntax
  - 19.3.3 Defined values
  - 19.3.4 Notes
- 19.4 AT+USECMNG command example
- 19.5 Notes
20 FTP
- 20.1 FTP service configuration +UFTP
  - 20.1.1 Description
  - 20.1.2 Syntax
  - 20.1.3 Defined values
  - 20.1.4 Notes
- 20.2 FTP command +UFTPC
  - 20.2.1 Description
  - 20.2.2 Syntax
  - 20.2.3 Defined values
  - 20.2.4 Notes
- 20.3 FTP error +UFTPER
  - 20.3.1 Description
  - 20.3.2 Syntax
  - 20.3.3 Defined values
21 HTTP
- 21.1 HTTP control +UHTTP
  - 21.1.1 Description
  - 21.1.2 Syntax
  - 21.1.3 Defined values
  - 21.1.4 Notes
- 21.2 HTTP advanced control+UHTTPAC
  - 21.2.1 Description
  - 21.2.2 Syntax
  - 21.2.3 Defined values
  - 21.2.4 Examples and use cases
- 21.3 HTTP command +UHTTPC
  - 21.3.1 Description
  - 21.3.2 Syntax
  - 21.3.3 Defined values
  - 21.3.4 Notes
- 21.4 HTTP protocol error +UHTTPER
  - 21.4.1 Description
  - 21.4.2 Syntax
  - 21.4.3 Defined values
22 GNSS
- 22.1 NMEA
- 22.2 GNSS power management +UGPS
  - 22.2.1 Description
  - 22.2.2 Syntax
  - 22.2.3 Defined values
  - 22.2.4 Notes
- 22.3 Assisted GNSS unsolicited indication +UGIND
  - 22.3.1 Description
  - 22.3.2 Syntax
  - 22.3.3 Defined values
- 22.4 GNSS profile configuration +UGPRF
  - 22.4.1 Description
  - 22.4.2 Syntax
  - 22.4.3 Defined values
  - 22.4.4 Notes
- 22.5 Aiding server configuration +UGSRV
  - 22.5.1 Description
  - 22.5.2 Syntax
  - 22.5.3 Defined values
- 22.6 GNSS aiding request command +UGAOS
  - 22.6.1 Description
  - 22.6.2 Syntax
  - 22.6.3 Defined values
- 22.7 Send of UBX string +UGUBX
  - 22.7.1 Description
  - 22.7.2 Syntax
  - 22.7.3 Defined values
  - 22.7.4 Notes
- 22.8 GNSS indications timer +UGTMR
  - 22.8.1 Description
  - 22.8.2 Syntax
  - 22.8.3 Defined values
  - 22.8.4 Notes
- 22.9 Get GNSS time and date +UGZDA
  - 22.9.1 Description
  - 22.9.2 Syntax
  - 22.9.3 Defined values
- 22.10 Get GNSS fix data +UGGGA
  - 22.10.1 Description
  - 22.10.2 Syntax
  - 22.10.3 Defined values
- 22.11 Get geographic position +UGGLL
  - 22.11.1 Description
  - 22.11.2 Syntax
  - 22.11.3 Defined values
- 22.12 Get number of GNSS satellites in view +UGGSV
  - 22.12.1 Description
  - 22.12.2 Syntax
  - 22.12.3 Defined values
  - 22.12.4 Notes
- 22.13 Get recommended minimum GNSS data +UGRMC
  - 22.13.1 Description
  - 22.13.2 Syntax
  - 22.13.3 Defined values
- 22.14 Get course over ground and ground speed +UGVTG
  - 22.14.1 Description
  - 22.14.2 Syntax
  - 22.14.3 Defined values
- 22.15 Get satellite information +UGGSA
  - 22.15.1 Description
  - 22.15.2 Syntax
  - 22.15.3 Defined values
- 22.16 Ask for localization information +ULOC
  - 22.16.1 Description
  - 22.16.2 Syntax
  - 22.16.3 Defined values
  - 22.16.4 Notes
- 22.17 Localization information request status unsolicited indication +ULOCIND
  - 22.17.1 Description
  - 22.17.2 Syntax
  - 22.17.3 Defined values
- 22.18 GNSS sensor configuration +ULOCGNSS
  - 22.18.1 Description
  - 22.18.2 Syntax
  - 22.18.3 Defined values
  - 22.18.4 Notes
23 I2C
- 23.1 Introduction
- 23.2 I2C open logical channel +UI2CO
  - 23.2.1 Description
  - 23.2.2 Syntax
  - 23.2.3 Defined values
- 23.3 I2C write to peripheral +UI2CW
  - 23.3.1 Description
  - 23.3.2 Syntax
  - 23.3.3 Defined values
- 23.4 I2C read from peripheral +UI2CR
  - 23.4.1 Description
  - 23.4.2 Syntax
  - 23.4.3 Defined values
- 23.5 I2C read from peripheral register +UI2CREGR
  - 23.5.1 Description
  - 23.5.2 Syntax
  - 23.5.3 Defined values
- 23.6 I2C close logical channel +UI2CC
  - 23.6.1 Description
  - 23.6.2 Syntax
24 MQTT
- 24.1 MQTT profile configuration +UMQTT
  - 24.1.1 Description
  - 24.1.2 Syntax
  - 24.1.3 Defined values
  - 24.1.4 Notes
- 24.2 MQTT Will Topic configuration +UMQTTWTOPIC
  - 24.2.1 Description
  - 24.2.2 Syntax
  - 24.2.3 Defined values
  - 24.2.4 Notes
- 24.3 MQTT Will Message configuration +UMQTTWMSG
  - 24.3.1 Description
  - 24.3.2 Syntax
  - 24.3.3 Defined values
- 24.4 Save/Restore MQTT profile from NVM +UMQTTNV
  - 24.4.1 Description
  - 24.4.2 Syntax
  - 24.4.3 Defined values
- 24.5 MQTT command +UMQTTC
  - 24.5.1 Description
  - 24.5.2 Syntax
  - 24.5.3 Defined values
  - 24.5.4 Notes
- 24.6 MQTT error +UMQTTER
  - 24.6.1 Description
  - 24.6.2 Syntax
  - 24.6.3 Defined values
A Appendix: Error result codes
- A.1 Mobile termination error result codes +CME ERROR
- A.2 Message service error result codes +CMS ERROR
- A.3 Firmware install final result codes
  - A.3.1 SARA-⁠R4 / SARA-⁠N4 final result codes
- A.4 FOAT error result codes
  - A.4.1 SARA-⁠R4 / SARA-⁠N4 error result codes
- A.5 Internal TCP/UDP/IP stack class error codes
- A.6 Internet suite error classes
- A.7 MQTT error codes
  - A.7.1 MQTT supplimental error codes
B Appendix: AT Commands List
- B.1 Parameters stored in profiles
- B.2 Parameters stored in non volatile memory
- B.3 Saving AT commands configuration
- B.4 Estimated command response time
- B.5 Multiple AT command interfaces
C Appendix: UDP Direct Link workflow
- C.1 Data from the IP network to the external port
- C.2 Data from the external port to the IP network
D Appendix: Glossary
Related documents
Revision history
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