Key facts
- Manuals
- 3
- Languages
- ZH · EN
- Last added
- 2026-10-18
Featured Quectel manuals
Quectel EC20 Mini PCIe 4G Module User Manual
This document is a user manual for the Quectel EC20 Mini PCIe 4G module. It details the recommended procedures for powering on and off the module, initializing it via AT commands, and designing the USB and SIM card circuits. The guide also covers application flows for SMS, voice calls, and TCP/IP data transmission using external protocol stacks. This manual is written in Chinese.
Covers: Recommended Power On/Off Flow · Recommended Initialization Flow · Recommended SMS Flow · Voice Call Flow · TCP/IP Data Transmission · HTTP Protocol Usage
Quectel EC2x&EG25-G&EG9x&EM05 LTE Module File AT Commands Manual
This document serves as a reference guide for File AT Commands available on Quectel EC2x, EG25-G, EG9x, and EM05 LTE standard modules. It details how to operate files across different physical storage mediums, including User File Storage (UFS), SD cards, and Random Access Memory (RAM).
Covers: Applicable Modules · The Process of Using File AT Commands · Description of Data Mode · AT+QFLDS Get the Space Information · AT+QFLST List the File Information · AT+QFDEL Delete the File(s)
Quectel GSM Module Short Message Application Guide V1.0
This document serves as an application guide for the Quectel GSM module's Short Message Service (SMS). It details the usage of various AT commands required to configure and operate SMS functionality. The guide covers two primary operating modes: Text Mode, which allows users to compose messages using standard text formatting, and PDU Mode, which requires constructing specific hexadecimal Protocol Data Units.
The manual provides step-by-step procedures for sending (MO) and receiving (MT) short messages, reading message lists, deleting stored messages, and configuring status reports. It includes syntax tables for commands such as AT+CMGF, AT+CSCS, and AT+CMGS, along with practical examples for sending English and Chinese messages using different character sets like GSM and UCS2. This manual is written in Chinese.
Covers: Overview · Text Mode Short Messages · PDU Mode Short Messages · Short Message Status Report · Deleting Short Messages · Other Related Commands
Latest Quectel manuals
Quectel EC20 Mini PCIe 4G Module User Manual
User Manual 20 pages · 1 MB · ZHThis manual provides usage instructions for the Quectel EC20 Mini PCIe 4G module, covering power design, initialization, AT commands, and GPS configuration.
Quectel EC2x&EG25-G&EG9x&EM05 LTE Module File AT Commands Manual
User Manual 27 pages · 331 KB · ENThis manual provides reference instructions for File AT Commands used to manage files on Quectel LTE standard modules.
Quectel GSM Module Short Message Application Guide V1.0
User Manual 49 pages · 1.5 MB · ZHThis guide provides instructions for using AT commands to send, receive, and manage short messages on Quectel GSM modules in both Text and PDU modes.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Quectel manuals
What is the recommended operating voltage for the module?
The recommended operating voltage is 3.8V, with a working range of 3.3-4.3V.
What is the recommended baud rate for AT commands?
The recommended baud rate is 115200.
Which Quectel modules are covered by this manual?
This document is applicable to Quectel EC2x (EC25/EC21/EC20 R2.0/EC20 R2.1), EG25-G, EG9x (EG91/EG95), and EM05 modules.
From: Quectel EC2x&EG25-G&EG9x&EM05 LTE Module File AT Commands Manual
What is the procedure to exit data mode?
Inputting “+++” or pulling up DTR (after setting AT&D1) can make the COM port exit from data mode.
From: Quectel EC2x&EG25-G&EG9x&EM05 LTE Module File AT Commands Manual
What are the two short message modes supported?
The module supports Text Mode and PDU Mode for sending and receiving short messages.
From: Quectel GSM Module Short Message Application Guide V1.0
Which character set is recommended for English short messages?
The 'GSM' character set is recommended for English short messages.
From: Quectel GSM Module Short Message Application Guide V1.0