3g modem board 4g lte serial module ttl RS232 gsm gprs modules XZ-DG4P | Мобильные телефоны и аксессуары

Pins

Definition

Input/output

Function Description

1

NC

NC

2

Rxd_TTL

Input

3.3V Serial port Input of TTL Level

3

Txd_TTL

Output

3.3V Serial port Input of TTL Level

4

VCC

Input

Positive power supply (4.75V-36V)

5

GND

Input

GND

Command Description

Format

Parameters

Enter the AT command mode

+++

None（Enter and Return OK）

Set IP/SDN domain name

AT+SDN=1,[<SDN>,<port>,<num>][…][…]

<SDN>：Domain Name

<port>：Port No

<num>：Serial No. <1~5>

Remark：1 is on highest priority）

Delete IP/SDN domain name

AT+SDN=0,< num>

< num >：Serial No.  1~5： Specified Serial No.

A：  Delete All

Set ID Number

AT+MODIDSET=1, <id>

<id>：DTU ID Decimal system

Set Serial Port Parameters

AT+IPR=1,<bau>,<length>,<parity>,<stopbit>

<bau>：baud rate

0： 1200bps

1： 2400 bps

2： 4800 bps

3： 9600 bps  (default)

4： 19200 bps

5： 38400 bps

6： 57600 bps

7： 115200 bps

<length>：data bits

8： 8 data bits

<parity>：parity check

N： no parity

O： odd parity

E： even parity

<stopbit>：stop bit

1： 1 bit

Add APN Configuration Item

AT+PROFILE=1,<SN>,<MCC+MNC>,<APN>,<Username>,<Password>

<SN>：Serial No. Set(1~8)

MCC：Mobile Country Code

MNC：Mobile Network Code

<APN>：Access Point

<Username>：user name

<Password>：password

Delete APN Configuration Item

AT+PROFILE=0,<SN>

<SN>：Serial No. 1~8： Specified Serial No.

A： Delete All

Set add ID function

AT+ADDIDEN=1，<mode>

<mode>：Mode Selection

0：don’t add ID before transparent data transmission is the default

1：add ID before setting transparent data transmission

Set registered packet function

AT+REGPKT=1，<text>

<text>：registered packet content

Set heartbeat packet format

AT+HBTPKT=1，<text>

<text>：heartbeat packet content

Send once every 40s

Set SMS working mode

AT+SMSTMODE=1,<mode>

<mode>: Trigger Mode

0:  TCP/IP Mode

1: TXT transparent transmission mode

Query SIM card IMSI number

AT+IMSI=？

+IMSI:460010000000001

15-digit SIM card imsih number

Query firmware version number

AT+FWV=？

None

Reboot DTU

AT+REBOOT

None

Quit AT Command Mode

AT+QUIT

None（if serial port is no operation, then quit automatically after 60s）

Type

Parameters

Unit

Minimum

Typical Value

Maximum

Electrical Property (25℃)

Mains Voltage

4.75

12

36

V

Working Current

70

150

 250

mA

Peak Current

-

-

2000

mA

Wireless Performance (25℃)

Frequency Range

4G 3G 2G

-

Sensitivity

-106dBm

-

Max. Emission Power

-

General  Performance

Interface Rate

1200

9600

115200

bps

Interface Level

RS485，RS232，TTL

Working Temperature

-40

80

℃

Dimension

52×35×10 (not including antenna and accessories)

mm

Indicator Status

Status description (any Led lighting indicates power on)

RED LED

Flash when there is data communication in Serial Port

BLUE LED

Light or flash when XZ-DG4 is connected to the base station

GREEN LED

When XZ-DG4 is successfully connected to the correct server and it flashes once every 3 seconds. If it is connecting then flash once every 0.5s