The rugged D80-4 series serial to IP 4G modem  (called DTU as well) is the cellular modem have been developed especially for M2M application.  It provides RS232/RS-485/RS-422/TTL interface and is equipped with PPP, TCP/IP and DDP protocol,it could convert user's serial data into IP data and then transmits the data to the customer’s data service center through complete transparent data channel over FDD-LTE/TDD-LTE mobile network, allows a simple and rapid integration of cellular network connectivity into M2M application.

With the robust, reliable, long life and compact metal case design, the D80-4 DTU ideally adapts to onboard standard, easy to deploy and maintain, it has been widely applied in many fields worldwide, such as power SCADA, oil field, coal mine, weather forecast, environment protection, water conservancy, heating, natural gas, petroleum and so on.

Basic Features 

• Optimized EMC design

• Standard PPP, TCP/IP and UDP/IP protocol

• Industrial 4G cellular module

• Support APN and VPDN wireless private network

• Support short message service (SMS)

• Support transparent data transmission

• Support data service center with dynamic IP address

• Support LED status indication

• Wide range voltage input

• Smart power management

• External power on/off control

• Reliable, flexible and easy to deploy

Optional Features

Multiple operation model

• Always online: automatically attaches 4G Celullar when powered on

• automatically redials when off line and keep line alive

• Offline when idle and trigged online by user data, ring or SMS

• GPRS channel and SMS mutual backup

• Online/offline control by commands via user equipment

• Data loop test

Multiple data service centers communications

• Supports up to 4 data service centers communications

• Supports main/backup data service centers communications

• Supports customized setting for each data service center

Flexible and utilitarian data communications

• Supports TCP/IP, UDP/IP, DDPTM, SMS and AT

• Self-defines transparent or protocol communications

• Self-defines customized data frame separator

• Self-defines reconnecting interval

• Self-defines heart-beat data frame

Parameters configuration and remote management

• Built-in parameters configuration menu

• Configuration tool based on PC

• Remote parameters configuration via data service center

• Remote parameters configuration by SMS

• Parameters configuration via AT+ commands

Typical Application

Product Structure