SimCom SIM700C User Manual

Smart Machine Smart Decision
SIM7000 Series_AT Command Manual_V1.03 183 2018-05-08
If error is related to ME functionality:
+CME ERROR: <err>
Parameters
<mode>
1 For opening FTP get file list session
2 For reading FTP file list
<reqlength> Requested number of data bytes (1-1460) to be read
<cnflength> Confirmed number of data bytes to be read, which may be
less than <reqlength>. 0 indicates that no data can be read.
<error> See "AT+FTPGET"
Parameter Saving
Mode
NO_SAVE
Max Response
Time
75 seconds(In case no response is received from server)
Reference Note
 When "+FTPLIST: 1,1" is shown, "AT+FTPLIST=2,<reqlength>"
can be used to read data. I
f the module still has unread data,
"+FTPLIST: 1,1" will be shown again in a certain time.
 If using "AT+FTPGETPATH"
to set a directory path, it will returned
the files contents un
der this directory; if set a file path, it will return
the information of the file specified.
11.2.23 AT+FTPEXTGET Extend Download File
AT+FTPEXTGET Extend Download File
Test Command
AT+FTPEXTGE
T=?
Response
OK
Parameters
See Write Command
Read Command
AT+FTPEXTGE
T?
Response
+FTPEXTGET: <mode>,<length>
OK
Parameters
See Write Command
Write Command
1) if mode is 0 or 1
AT+FTPEXTGE
T=<mode>
3)if mode is 3
AT+FTPEXTGE
T=<mode>,<pos>,
<len>
Response
If mode is 0:
OK
If mode is 1 and successfully download data:
OK
+FTPEXTGET: 1,0
SIMCOM COMFIDENTIAL FILE

SimCom SIM700C Specifications

General

Category	Control Unit
Form Factor	LCC
Operating Temperature	-40°C to +85°C
NB-IoT PSM	Yes
NB-IoT Transmit Power	23dBm ±2dB
SMS	Text and PDU mode
Network Technology	NB-IoT/GSM/GPRS
Interface	UART, I2C, GPIO
Power Supply	3.4V to 4.2V
Storage Temperature	-40°C to +90°C
TCP/IP	TCP, UDP, HTTP, MQTT
Protocols	TCP, UDP, HTTP, MQTT
Firmware Update	Via UART
Antenna	Antenna pad
Certifications	CE
Frequency Bands	GSM: 850/900/1800/1900MHz
Data Rate	GPRS: 85.6 kbps (max)
GPRS Transmit Power	33dBm ±2dB (GSM900)

Summary

Introduction to SIM7000 AT Commands

AT Command Syntax Rules

Defines the structure and rules for writing AT commands.

AT Commands According to V.25TER Standard

Detailed V.25TER AT Command Descriptions

Explains the syntax, parameters, and responses for V.25TER AT commands.

AT Commands According to 3GPP TS 27.007

Detailed 3GPP TS 27.007 AT Command Descriptions

Details the functionality, parameters, and responses for 3GPP TS 27.007 AT commands.

AT Commands According to 3GPP TS 27.005

Detailed 3GPP TS 27.005 AT Command Descriptions

Explains SMS and CBS related AT commands, supporting Text and PDU modes.

SIMCom Specific AT Commands

Detailed SIMCom Special Command Descriptions

Provides in-depth explanations for SIMCom-specific AT commands.

AT Commands for GPRS Network Support

Detailed GPRS AT Command Descriptions

Explains commands for configuring and managing GPRS contexts and services.

AT Commands for IP Network Applications

Detailed IP Application AT Command Descriptions

Details commands for managing bearer settings for IP applications.

AT Commands for TCP/IP Toolkit

Overview of TCP/IP Toolkit AT Commands

Detailed TCP/IP Toolkit AT Command Descriptions

Explains commands for establishing and managing TCP/UDP connections.

AT Commands for HTTP Network Services

Detailed HTTP AT Command Descriptions

Details AT commands for HTTP client operations like initialization, data transfer, and response handling.

AT Commands for FTP File Transfer

Detailed FTP AT Command Descriptions

Explains AT commands for managing FTP sessions, file transfers, and directories.

AT Commands for GNSS Location Services

Detailed GNSS AT Command Descriptions

Explains commands for GNSS power control, navigation data, and startup modes.

AT Commands for File System Management

Detailed File System AT Command Descriptions

AT Commands for Secure TCP/UDP Connections (SSL)

Overview of Secure TCP/UDP AT Commands

Detailed Secure TCP/UDP AT Command Descriptions

Explains commands for setting TCP/UDP identifiers, SSL context, and opening connections.