GPRS DTU Modem D120 with RS232 for TCP, UDP Server

タイトルまたは説明

1  Product Introduction 
ZL-D**0 is M2M wireless data transmit terminal unit (DTU) 
developed by Shenzhen Skymatch Tech.
ZL-D**0 use wireless GPRS network for its users to realize bidirectional and real-time wireless data transmission function. 

The product adapts to the severe working conditions and complete GPRS wireless remote

data transmission.

ZL-D**0 is equipped WDT (Watch Dog Timer) to make sure the equipment always on-line. 

D**0 has passed a series of strict design, tests and practical use,

its performance is very stable and reliable. 

The product have been used in many industry, such as financial transaction, 

Postal transaction, Smart Grid, Intelligent Transportation, environment monitor, 

Fire-Fighting Monitoring, Security monitoring, hydrological monitoring, public 

security, advertising, Telemetry, industrial control, oilfield monitoring, coal 

mine monitoring, Seismic monitoring, Weather-Monitoring, instrument 

monitoring, water meter reading, electricity meter reading, gas meter reading, 

digital medical, agriculture, forestry, Hydraulic, electric power, coal mine, and 

petrifaction . 

2  Product Features 

  Automatically dial-up the internet and connect preset server while power on 

  Built-in standard TCP/IP, support bidirectional data transparently transmission  

  Support TCP, UDP communication 

  Support fixed IP or DNS to access 

  Support automatic heartbeat, keep the data terminal always online 

  WDT design, make the system stable 

  Support Point-to-Point and Point to Multi-Point networking 

  Industrial- strength design, adapt to the severe working conditions 

  Support parameter configuration and upgrade and maintain on-line remotely 
 
Working Voltage  DC5V~*4V,  

Power Consumption  0.3W(normal); Max.:2W(for **0/**0Mhz) 

Communication Mode  RS**2, RS**5 

Communicate baud rate ***0/***0/***0/****0/****0/****0/*****0 

Network 

Theoretical Download Rate(max.): *5.6Kbps 

Support CS1~CS4 Coding rule 

Working: **0℃~**5℃ 

Storage: **0℃~**5℃ 

SIM Card inteface  Adaptive1.8V/3.0V SIM