Nordic nRF91 series

AT command guide for: Nordic Semiconductor nRF91 series incl. nRF9160

Please be aware that we cannot guarantee for the completeness and accuracy of this page. For detailed information and latest versions of the AT command guides, please always refer to the supplier's specifications and manuals.
You can contact us at :e-mail: docwriters (at) iotcreators (dot) com in case this collection doesn't work for you!

Vendor's AT commands manual

nRF91 AT Commands
https://infocenter.nordicsemi.com/topic/ref_at_commands/REF/at_commands/intro.html

Specific AT commands for Serial LTE Modem (SLM)
https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/applications/serial_lte_modem/doc/AT_commands_intro.html

General AT Commands

Purpose

Command String

Configure/start a manual network selection

AT+COPS=[,[,[,]]]

For example: AT+COPS=1,2,"26201"

Check the received signal quality

AT%XMONITOR

%XMONITOR: <reg_status>,[<full_name>,<short_name>,,,,,<cell_id>,<phys_cell_id>,,,,<NW-provided_eDRX_value>,,]

Check the supported/configured bands of the UE

AT%XCBAND

Check the network registration status

AT+CEREG?

Configure the APN for IP-based connection

AT+CGDCONT=0,"IP",""

Configure/activate the PSM mode

AT+CPSMS=[[,<Requested_Periodic-RAU>[,<Requested_GPRS-READYtimer>[,<Requested_Periodic-TAU>[,<Requested_Active-Time>]]]]]

Initialization and resuming of firmware over the air (FOTA) updates

AT+UCOAPFWT=0

Note: This AT command is used to resume FOTA transfer after interruption:
AT+UCOAPFWT=<remaining_blocks>

Check the firmware version

AT+CGMR

Check the hardware version

AT%HWVERSION

Modify the supported bands of the UE

AT%XBANDLOCK=[,<band_mask>]

0 – Remove band locks 1 – Set permanent band mask 2 – Set runtime band mask

<band_mask><permanent_lock><run-time_lock>

String. Bit string, LSB is band 1. Leading zeroes can be omitted. Maximum length 88 characters.

The following command example sets runtime band 4 and 13 lock:
AT%XBANDLOCK=2,"1000000001000"

OK

Switch ON / OFF the transceiver

AT+CFUN=0 / AT+CFUN=1; AT+CGATT=1

AT Commands for Communication Protocols

Purpose

Command String

Configure/activate Rel. 13 Early Release Assistance Indicator

AT%XRAI[=]

Release assistance information sent to the network.

0 – Undefined, default
3 – Control plane one response. For more information, see 3GPP TS 24.301, subclause 9.9.4.25 Release assistance indication.
4 – Control plane no response. For more information, see 3GPP TS 24.301, subclause 9.9.4.25 Release assistance indication.

Configure/activate the eDRX mode

AT+CEDRXS=[,[,[,<Requested_eDRX_value>]]]

Modify eDRX parameters

Create a TCP/UDP socket and send data to remote via socket

Send data to remote via socket


Did this page help you?