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Serial RS232 Ttl to GPRS/3G/4G DTU Modules with SIM Card and at Command for Embedded System Xz-Dg4p

Negotiable 1 Piece (MOQ)

Min. Order:

1 Piece

Port:

Shenzhen, China

Production Capacity:

10000PCS/Year

Payment Terms:

T/T, Western Union, Paypal

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Shenzhen Thingsend Technology Co., Ltd

Guangdong, China

Last Login Date:

May 08, 2025

Main Products:

Wireless Temperature Sensor, Wireless Humidity Sensor, Wireless Radio Modem

Find Similar Products

Product Description

Company Info

Basic Info.

Model NO.

XZ-DG4P

Type

2g 3G 4G Modem

Usage

Wireless Data Transmission

Certification

Condition

New

Trademark

thingsend

Transport Package

Standard

Specification

52*35*10MM

Origin

China

HS Code

85340090

Product Description

Specifications:
1)Main Features
Support 4G/3G/2G, Mobile, Telecom and China Unicom;
Bidirectional data transparent transmission between terminals TTL, RS485, RS232, and server;
Support user-defined registration packet and heartbeat ;
Standard TCP/IP communication interface Socket in Server ;
Intelligent anti disconnection, support online testing and online maintenance, disconnected then automatic redial, ensure that the equipment is always online;
Support configuration of the domain name, IP, port number, APN, serial port, baud rate and other parameters through serial port ;
Support remote configuration, remote firmware upgrade;
Support fixed IP and domain name DNS.
2)Technical Parameters

Type

Parameters

Unit

Minimum

Typical Value

Maximum

Electrical Property (25ºC)

Mains Voltage

4.75

Working Current

150

250

Peak Current

2000

Wireless Performance (25ºC)

Frequency Range

4G 3G 2G

Sensitivity

-106dBm

Max. Emission Power

EGSM900:+33dBm (Power Class 4)…
LTE:+23dBm(Power Class 3) …

General Performance

Interface Rate

1200

9600

115200

bps

Interface Level

RS485,RS232,TTL

Working Temperature

-40

ºC

Dimension

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

3)Dimension
4) Pin Definition

Pins	Definition	Input/output	Function Description
1	VCC	Input	Positive power supply (4.75V-36V)
2	Rxd_TTL/232	Input	3.3V Serial port Input of TTL/RS232 Level
3	Txd_TTL/232	Output	3.3V Serial port Input of TTL/RS232 Level
4	GND	Input	Negative power supply
5	SGND	Input	SGND

5)Using Method
5.1 TCP/IP connection
When XZ-DG4 works in the TCP/IP connection mode, data communication between XZ-DG4 and server is fully transparent transmission, to keep XZ-DG4 always online, users need to define the registered data frame and heartbeat data frame, and the server needs to differentiate the registered data frame and heartbeat data frame from user data frame. The server can also remotely set XZ-DG4's SDN or domain name.
5.1.1 Registered data frame:
The registered packet data type is 0x00, with a minimum load of 16 bytes. Users can freely add custom data , data is automatically added to the signal strength byte, and can set 70 bytes at most.

Frame head	Address				Type		Load Length		Load	CRC16 Calibration
0x24	ID3	ID2	ID1	ID0		0x00	LEN_H	LEN_L	DATA	CRC_H	CRC_L

Frame head:    0x24
Address:    HEX,high byte is in the front
Type:    0x00:  reporting IMSI (15 bytes) +CSQ (1 bytes)
Length:    part data length, high byte is in the front;
Load:    data content: the first 15 bytes are IMSI (ascll code) of SIM card, then 1 bytes is signal strength value RSSI (signed number) of GPRS, and the last one is user-defined registered package information.
CRC16 Calibration: start from frame head to data content, CRC-16 ($1021) check of all data;
1) CRCH: CRC16 checksum high 8 bit;
2) CRCL: CRC16 checksum high and low bit
5.1.2 heartbeat data frame:
The heartbeat packet sends one-byte data by default, and the data is 0x04. If it's user-defined heartbeat packet, then one sends the user-defined heartbeat packet data, and the transmission interval is 40 seconds.
5.2 SMS function use
  When XZ-DG4 works in SMS mode, XZ-DG4 can communicate with any mobile phone by SMS. When the mobile phone sends any message to XZ-DG4, XZ-DG4 from serial port sends out the current SMS content (only support up to 70 ASCII characters), if the terminal equipment returns data from serial port (only a maximum of 70 ASCII characters) XZ-DG4 will automatically reply the data to the mobile phone number from which it receives text messages last time.
Special customization requirements for SMS function is supported

Because there is limit to upload pictures and form,following information can't show our products completely.
Welcome to contact Sarah for more detailed information.

wlecome to visit our aliexpress store: https://www.made-in-china.com/showroom/tsyuan.

Company Information:
Shenzhen Thingsend Communication Tech Co.,Ltd
Contact:sarah yuan
Aliexpress store website:https://www.made-in-china.com/showroom/tsyuan
Website:www.made-in-china.com/showroom/tsyuan

We're professional manufacturer of wireless sensors,2g 3g 4g lte GSM modem,Lora,wireless radio modems,OEM/ODM,wireless customized solutions/system/applications.
Welcome to contact Sarah for more information about wireless solution.

Address: Room No. 308 Maker Mansion, Chaguang Road, Nanshan District, Shenzhen, Guangdong, China

Business Type: Manufacturer/Factory

Business Range: Agriculture & Food, Chemicals, Electrical & Electronics, Health & Medicine, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Security & Protection, Transportation

Management System Certification: ISO 9001

Main Products: Wireless Temperature Sensor, Wireless Humidity Sensor, Wireless Radio Modem

Company Introduction: Thingsend is a high-tech company, we design develop manufacture and sell wireless temperature&humidity sensors, wireless radio modems, 4G modules and offer OEM wireless solutions as well. Our products have been used for HVAC system, intelligent buildings system, livestock health management, warehouse management etc.

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