Related humidity:95%( non-condensing)
Store temperature:-40~+85?C
Operation temperature:-20~+55?C
Weight: H7709(180g) H7708(120g)
H7708 (85x40x30 )mm (not including antenna)
Mechanical:H7709 (96x60x30 )mm (not including antenna)
4) Others
Peak current: 1.25A/+12VDC; Communication: 70mA/+12VDC; Idle: 25mA@+12VDC
GPRS Low consumption product:
Peak current: 1.25A/+12VDC; Communication: 150mA/+12VDC; Idle: 60mA@+12VDC
GPRS standard product:
Consumption
Voltage: +7.5~+26VDC (+5VDC optional)
3) Power
Voice interface: Standard voice level input/output
Configuration interface: RS-232 (57600bps)
Connector: 3.5mm pluggable terminal block (14~24AWG)
Rate: 300~115200bps
Type: TTL/RS-232/RS-422/RS-485
Serial data interface
SIM: 3V
Antenna: 50/SMA-K Female
2) Interface
Complied with SMG31bis specifications
Code Scheme: CS1 - CS4
GPRS Class 2~10
Support 900/1800MHz
Support GSM/GPRS
Integrated with HMI/MMI/SCADA software (for Chinese market only)
3. Hongdian H7708/H7709 DTU Specifications
1) Data
Powerful data service center testing tool
Complete function data service center software for transparent data transmission
Complete set of Chinese and English version demo source code (VB, VC, C#, Delphi)
Full function development package
Full function data service center development kits
Configuration via AT+ command
TDP protocol parameter configuration
Remote configuration by SMS
Remote configuration via data service center
PC based configuration tool
Built-in Chinese or English configuration tool
Parameters configuration and remote management
Self-define heart-beating data frame
Self-define online report interval
Self-define re-connecting interval
Self-define customized data frame separator
Self-define last packet idle interval and MTU
Self-define transparent or protocol communication
Supports TCP/IP Server/Client, UDP/IP, DDP, SMS, AT
Flexible data communication
Supports customized setting for each data service center
Supports up to 4 data service center communication
Supports main/backup data service center communication
Multiple data service center communications
Data loop testing
GPRS data and SMS backup and switch;
Online control interface with the connected device;
Data trigged online; Ring and SMS trigged online;
Always online: automatic online while it powered on,
automatic redial and keep-alive while the line dropped;
Multiple operation model
Hongdian ADP and AT+ protocol, satisfying the customized applications
Hongdian DDP protocol, ensuring the data channel reliability
Built-in multiple communication protocols
PPP, TCP/IP, UDP/IP
Flexible to support different networks, easy to spread;
Separated design between CPU and wireless module;
Modularization design with super spread
Industrial class components,Industrial class GPRS wireless module, Embedded RTOS
Industrial design for different application environments
Embedded PPP, TCP/IP stack
2) Enhanced functions
Reliable, flexible, easy to use and management
Standard antenna and SIM interface
Industrial class pluggable terminal block
Power on/off control
Smart power management
Wide range power input
Optimized EMC design
Supports Xmodem protocol and firmware updating
Support Carrier public & special APN
Supports peer to peer, center to multi-point data transmission
Supports GPRS data channel and SMS backup
Supports DNS and dynamic data service center IP address
Supports static data service center IP address
Transparent data conversion and protocol transmission
Embedded PPP, TCP/IP stack
1) Basic functions
TDP- Terminal/DTU Protocol, it is the data transmission protocol between DTU and user terminal. it is Hongdian registered trade mark.
2. Hongdian H7708/H7709 DTU Features
DDP - DTU/DSC Protocol, it is the data transmission protocol between DTU and data service center. it is Hongdian registered trade mark.
DTU - Data Termination Unit, it is Hongdian registered trade mark.
Hongdian Data Termination Unit (DTU) have been widely used for many application areas in the world, such as electric power, oil field, coal mine safety, weather forecast, environment
protection, hydrology, heating pipe line, gas pipe line, street lamp control, telecommunications, post, bank and many other areas.
H7708/H7709 GPRS DTU is a public-platform-based and embedded wireless DDN Data Termination Unit (DTU) which is designed from highly industrial automatization integration and compatibility of market
application. It provides differential requirement from different fields, users and applications. Embedded with TCP/UDP protocol, industrial design with 20-pin sockets, it converts the user data
into GPRS network and transmits the data into the customers data service center while its embedded in terminals which can provide mobility. H7708/H7709 GPRS DTU is embedded with user
terminals without casing as of further embedded than normal .With the professional designing, H7708/H7709 GPRS DTU provides the plug and play, easy to use and maintenance features.
H7708/H7709 GPRS DTU is a data termination unit based on GPRS mobile network. It provides data communication network for industrial applications. With the reliable, flexible and
cost-effectiveness features, it can be utilized at many areas to provide the M2M communication channels by GPRS DDN.
1. Data Termination UnitGeneral
Data Termination Unit: Best price and high quality, with TCP/UDP protocol, over GPRS network
Delivery Time: | within 3-5 working days |
Package: | Hongdian Packaging or OEM Packaging |
Minimum Order Quantity: | 1 Set/Sets |
Payment Terms: | L/C,T/T,Western Union |
Model Number: | H7709 |
Brand Name: | Hongdian |
Place of Origin: | Guangdong China (Mainland) |
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