1.1 Brief introduction
E90-DTU is a wireless data transceiver with the function of digital data processing, digital modulation and
demodulation, FEC, balanced soft decision, etc.. Wireless data transceiver provides transparent RS232 / RS485 interface,
different with the analog FM transceiver plus MODEM analog digital transceiver.
Wireless data transceiver working as a communication medium,as well as the fiber, microwave, the same line, has a
certain scope of application: it provides some special conditions in the private network monitoring signal real-time, reliable
data transmission,with the features of low cost, convenient installation and maintenance , diffraction ability, flexible
network structure, range of coverage,suitable for the occasion of dot and scatter ，complex geographical environment ,
connecting with PLC, RTU, rain gauge, level gauge and other data terminals.
1.2 Certificate
E90-DTU has been issued the "Wireless Transmission Equipment Model Approval Certificate"by the Ministry of
Information Industry of China , the approval code: CMIIT ID: 2017FP5780.
E90-DTU has been issued the "Design Patent Certificate" by the State Intellectual Property Office of China, the patent
number: ZL 2016 3 0501980.3.
E90-DTU has been issued the"Utility Model Patent Certificate"by the State Intellectual Property Office of China, the
patent number: ZL 2016 2 1410691.3.
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