Quectel BG96 At Command Manual

LTE Module Series
BG96 FILE AT Commands Manual
BG96_FILE_AT_Commands_Manual 14 / 22
Parameter
2.9. AT+QFSEEK Set File Pointer to a Position
The command sets a file pointer to a specified position. This will decide the starting position of commands
such as AT+QFREAD, AT+QFWRITE, AT+QFPOSITION and AT+QFTUCAT.
AT+QFWRITE Write a File
Test Command
AT+QFWRITE=?
Response
+QFWRITE: <filehandle>[,<length>[,<timeout>]]
OK
Write Command
AT+QFWRITE=<filehandle>[,<length>
[,<timeout>]]
Response
CONNECT
TA switches to data mode. When the total size of the written
data reaches <length> (unit: byte) or the time reaches
<timeout>, TA will return to command mode and reply the
following codes:
+QFWRITE: <written_length>,<total_length>
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 written, and the default length is 10K. The maximum
value of this parameter is determined by <freesize> of AT+QFUPL. Unit: byte.
<timeout> The time waiting for data to be inputted to USB/UART. The default value is 5.
Unit: s.
<written_length> The actual written length. Unit: byte.
<total_length> The total length of the file. Unit: byte.
<err> An error code relating to ME or network. Please refer to Chapter 4 for details.
AT+QFSEEK Set File Pointer to a Position
Test Command
AT+QFSEEK=?
Response
+QFSEEK: <filehandle>,<offset>[,<position>]
OK

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