Quectel BG96 At Command Manual

LTE Module Series
BG96 FILE AT Commands Manual
BG96_FILE_AT_Commands_Manual 13 / 22
2.7. AT+QFREAD Read a File
The command reads the data of a file which is specified by the file handle. The data starts from the
current position of the file pointer which belongs to the file handle.
Parameter
2.8. AT+QFWRITE Write a File
The command is used to write data into a file. The data starts from the current position of the file pointer
which belongs to the file handle.
opened. And both of them can be read and written.
1 If the file does not exist, it will be created. If the file exists, it will be overwritten
and cleared. And both of them can be read and written.
2 If the file exists, open it and it can be read only. When the file does not exist, it
will respond an error.
<err> An error code relating to ME or network. Please refer to Chapter 4 for details.
AT+QFREAD Read a File
Test Command
AT+QFREAD=?
Response
+QFREAD: <filehandle>[,<length>]
OK
Write Command
AT+QFREAD=<filehandle>[,<length>]
Response
CONNECT <read_length>
TA switches to data mode. When the total size of the data
reaches <length> (unit: byte), TA will return to command
mode, display the result and then reply the following codes:
OK
If there is any error:
+CME ERROR: <err>
<filehandle> The handle of the file to be operated.
<length> The length of the file to be read out and the default is the file length. Unit: byte.
<read_length> The actual read length. Unit: byte.
<err> An error code relating to ME or network. Please refer to Chapter 4 for details.

Quectel BG96 Specifications

General

Category	LTE Cat M1/Cat NB1/EGPRS Module
Chipset	Qualcomm MDM9206
LTE FDD Bands	B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B26/B28
GSM	850/900/1800/1900MHz
Operating Temperature	-40°C to +85°C
Dimensions	23.6mm × 19.9mm × 2.2mm
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
LTE TDD Bands	B39
LTE Cat M1 Data Rate	375 kbps (DL), 375 kbps (UL)
LTE Cat NB1 Data Rate	32 kbps (DL), 70 kbps (UL)
EGPRS Data Rate	296 kbps (DL), 236.8 kbps (UL)
Storage Temperature	-45°C ~ +90°C
Interfaces	UART, USB, PCM, ADC, GPIO
SIM Interface	1.8V/3V
Protocols	TCP/UDP/PPP/FTP/HTTP/MQTT/CoAP
Certifications	CE, FCC, PTCRB