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Hot 3G GPRS Modem Transmission Unit with RS232 RS485

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Company Profile
Shenzhen Hongdian Corporation
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F14-16,Headquarter Economic Center Building, Zhonghaixin Science&Tech Park, Bulan Road, Longgang District, Shenzhen 518112, China

Product details


H7210 GPRS DTU is a data terminal unit based on GPRS mobile network. It provides data communication network for industrial applications  with  reliable,  flexible  and  cost-effectiveness features. Handset connects people via voice and short message,,however, DTU which has good reputation of industrial handset connects machines via data transmission channel.

H7210 DTU complies with industrial standard, optimizes EMC design and has superior reliability. Embedded PPP, TCP/IP, DDP and so on, H7210 DTU could build complete transparent data channel between user equipment and data service center. It's easy to be installed and used.

Hongdian products have been widely applied in many fields all over the world, such as electric power, oil field, coal mine,,weather forecast, environment protection, water conservancy,heating, natural gas, petroleum industry,telecom, postal service,,banking, transportation, police, government and so on.

H7210 Typical Solutions

Basic function

Standard PPP,TCP/IP and UDP/IP protocol

Transparentdata channel between RTU and DSC.

Supports APN and VPDN wireless private network

Supportfixed IP or domain as DSC

TCP/UDP/SMS support

TCP/UDP mode support always online

Idle offline and timing offline support

SMS support7bit, 8bit, UCS2 encode SMS

SMS service supportall over the world

Automatically online working mode

SMS,phone call,RTU data awaken mode support

Debug mode support
Baud rate supportupto115200bps
Config tool for configuration
Serial port: RX,TX, GND, no flow control

Enhanced Function
Hongdian DDPTM protocol support, enhance stability on mobile network and SDK provided
Support communication, remote configuration,,reboot by Hongdian DDP protocol
AT protocol support, could switch to AT mode for configuration and reboot any time
Support defining register packet, heartbeat packet
And log out packet in transparent link mode
Remote config & reboot by SMS
Debug info could be viewed remotely or by AT command
Industrial-class design, ideal choice under severe environment
Technical Parameters

Support GSM/GPRS900/1800/850/1900MHz or GSM/GPRS900/1800MHz optional
GPRS Class10
Encode scheme: CS1-CS4

Antenna: SMA-K(Female)
Standard SIM interface1.8/3V
Serial data interface:
Type: RS-232/RS-485/RS-422/TTLoptional
Rate: 300~115200bps
Connector: 3.5mm pluggable terminal block( 14~ 24AWG)
Voice interface: Standard phonetics level output

Voltage: 5~36VDC

Standard productat12VDC input
Communications:  lessthan100mA@+l2VDC
Idle: 8~10mA@+12VDC

Size: 93x54x22mm(not including antenna and installation parts)
Weight: 145g
Operation temperature: -30~+70℃
Store temperature: -40~+85℃
Related humidity: <95% (non-condensing)