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AT Command Guide

The LQ 10 provides a UDP AT service suitable for computer utilities, host computer software, or automation scripts that read status and configure devices in batches.

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AT Command Guide

The LQ-10 provides a UDP AT service suitable for computer utilities, host-computer software, or automation scripts that read status and configure devices in batches.

Connection Parameters

Item Value
Protocol UDP/IPv4
Device port 52112
Maximum request size 1023 bytes
Maximum response size 2047 bytes
Command capitalization Command names are case-insensitive; parameter values are case-sensitive as specified in the documentation
Line ending CRLF can be used, or the command text can be sent directly

Commands strictly support the following four forms:

AT+CMD
AT+CMD?
AT+CMD=<arguments>
AT+CMD=?

A successful response is usually AT+CMD:<data>, followed by a line break and OK. A response with no application data is OK; a failed response is ERROR.

Python Request Example

import socket

device_ip = "192.168.1.200"
command = "AT+FWVER?\r\n"

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.settimeout(2.0)
sock.sendto(command.encode("ascii"), (device_ip, 52112))
data, _ = sock.recvfrom(2048)
print(data.decode("utf-8", errors="replace"))

Rules for Applying Configuration

  • IPCFG, WIFIMODE, WIFICFG, APCFG, STACFG, and UART routing commands first write to the configuration file. After completing a group of changes, send AT+APPLY to apply them at runtime.
  • AT+MSS=..., AT+STP=..., and AT+NRCFG=... in narrowband mode take effect immediately.
  • When AT+WBMODE=narrow|wide switches between broadband and narrowband modes, you must use AT+REBOOT; AT+APPLY cannot be used instead.
  • After changing the device IP address, send subsequent commands to the new address.

Query and System Commands

Command Function Example Response
AT+FWVER? Queries software and hardware versions SW:...,HW:...
AT+DEVID? Queries the device ID Device ID
AT+UPTIME? Queries application uptime Formatted uptime
AT+RFINFO? Queries RSSI and broadband/narrowband mode `,<narrow
AT+CSQ? Queries the 0–31 signal level; 99 indicates an unknown bit-error rate <level>,99
AT+CFGGET Retrieves the main configuration as JSON The response may approach 2KB
AT+APPLY Reloads the saved configuration at runtime The network is interrupted briefly
AT+APPRESET Restarts the application Not equivalent to restarting the entire device
AT+REBOOT Restarts the entire device Used when switching between broadband and narrowband modes

Use AT+CMD=? to query the supported parameter format. For example: AT+IPCFG=?.

IP and Wireless Commands

Command Parameters
AT+IPCFG? Queries ipaddr,netmask,gwipaddr
AT+IPCFG=<ip>,<mask>,<gateway> Sets the static IP address, contiguous subnet mask, and gateway on the same subnet
AT+WIFIMODE? Queries ap or sta
`AT+WIFIMODE=<ap sta>`
AT+APCFG? Queries the AP's ssid,channel,wpa,passwd
AT+APCFG=<ssid>,<channel>,<wpa>,<passwd> Configures the AP; wpa=2 is WPA2-PSK and wpa=0 is Open
AT+STACFG? Queries the STA's ssid,key_mgmt,passwd
`AT+STACFG=,<WPA-PSK OPEN>,`
AT+WIFICFG? Queries the complete wireless configuration for the current role
AT+WBMODE? Queries narrow or wide
`AT+WBMODE=<narrow wide>`
AT+NRCFG? Queries narrowband adaptive mode or the fixed level
AT+NRCFG=adaptive Sets narrowband adaptive mode
AT+NRCFG=fixed,<0..5> Sets a fixed narrowband level; the web interface currently provides levels 1–5 to general users
`AT+MSS=<on off>`
`AT+STP=<on off>`

The password parameter for an Open configuration remains empty, so the command ends with a comma:

AT+APCFG=amovlab,149,0,
AT+STACFG=amovlab,OPEN,
AT+APPLY

WPA2-PSK example:

AT+IPCFG=192.168.1.201,255.255.255.0,192.168.1.1
AT+WIFIMODE=sta
AT+STACFG=amovlab,WPA-PSK,87654321
AT+APPLY

Serial-Port Commands

Command Parameters and Function
AT+UARTCFG=<uart>,<type>,<baud>,<data>,<stop>,<parity>,<flow> Creates or modifies UART0–UART2; `type=normal
AT+UARTRULE=<uart>,<proto>,<mode>,<endpoint>,<dir>,<ip>,<port> Adds a forwarding rule and returns its zero-based rule index
AT+UARTGET=<uart> Returns JSON for the specified serial port; returns {} when it is not configured
AT+UARTRM=<uart>,<index>[,<index>...] Deletes one or more rules by index
AT+UARTCLR=<uart> Deletes the specified serial port and all its rules

Parameter values:

  • proto: udp or tcp;
  • mode: unicast or multicast;
  • endpoint: local or remote;
  • dir: rx, tx, or rxtx;
  • parity: n, e, or o;
  • flow: use n for standard product configurations;
  • Each serial port supports up to 16 rules, and the port range is 1–65535.

Standard serial-port baud rates must use the supported values listed in the web interface. The fixed UART0 SBUS parameters for the current hardware are sbus,100000,8,2,e,n.

AT+UARTCFG=0,sbus,100000,8,2,e,n
AT+UARTRULE=0,udp,unicast,remote,tx,192.168.1.201,8080
AT+UARTGET=0
AT+APPLY

Caution The AT service is located on a trusted LAN. Standard configuration commands do not use web-session authentication. Do not expose UDP 52112 directly to an untrusted network. Factory-authorized and SSH maintenance commands are not public user interfaces, and their authentication methods are not provided here.