MD-109 User Manual
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1.7
Technical Advantages
eTung’s MD-109 has original built-in design with smaller size and
flexible interfaces, and is easier to integrate with user device to be
one product. Besides, MD-109 is advanced not only from
hardware industrialization, design rationality, software
convenience, and usage flexibility, but also from working stability.
Its technical advantages are easy to see:
Support China Mobile, China Unicom and China Telocom’s
2G/3G/4G networks;
Small size and flexible interfaces make it easy to integrate with
user device;
Terminal interfaces that supports RS-232 and RS-485, and the
serial port type(RS232 or RS485) can be configured via DTU
configuration software or remote control;
Support point-to-point and multipoint-to-point communication
with 2G/3G/4G wireless network at both ends
Support connecting to 4 data centers at the same time
Support sending SMS
Support 2G/3G/4G and SMS as backup
Support modifying DTU configurations via SMS
Support modifying DTU configurations remotely at server side
Support querying SIM card number remotely, checking SIM
card balance and traffic within DTU
Support device remote re-boot
Support 2G/3G/4G APN name auto-adaption
Support LBS location
Support eYun platform, server building not needed and
plug-and-play
Support chuankoutong, virtual serial port programming not
needed