1、 Product Introduction; Certifications; Features - Ebyte E90-DTU User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.
1、 Product introduction
1.1. Product introduction
E90-DTU (400SL33) is a wireless data transmission radio using military-grade LoRa modulation technology, with a variety of
transmission methods, working in the (410.125~493.125MHz) frequency band (default 433.125MHz), the radio provides transparent
RS232/RS485 interface, support 8~28V voltage input. LoRa direct sequence spread spectrum technology will bring longer
communication distance, and has the advantages of concentrated power density and strong anti-interference ability. The module has a
software FEC forward error correction algorithm, which has high coding efficiency and strong error correction ability, and can actively
correct the jammed packets in the case of sudden interference, greatly improving the reliability and transmission distance. In the
absence of FEC, such packets can only be dropped. The radio station has a data encryption function, and the data transmitted by the
radio in the air has randomness, and the data interception is meaningless through strict encryption and decryption algorithms; Support
subpacket length setting, support different real-time and data packets.
As a communication medium, wireless data transmission radio has a certain scope of application like optical fiber, microwave and
open wire: it provides real-time and reliable data transmission of monitoring signals in the private network under certain special
conditions, with low cost, convenient installation and maintenance, strong diffraction ability, flexible networking structure, long
coverage characteristics, suitable for many points and scattered, complex geographical environment and other occasions, can be
connected with PLC, RTU, rain gauge, level meter and other data terminals.

1.2. Certifications

E90-DTU has obtained the "Radio Transmitting Equipment Type Approval Certificate" with the following approval code: CMIIT
ID: 2017FP5780.
E90-DTU has obtained the "explosion-proof certificate", its number: test word No. 201711000975.
E90-DTU has obtained the "Electrostatic Surge Test Report" issued by the Chinese Testing Institute, its number: CNEx18.1461.
E90-DTU has obtained the "Design Patent Certificate" with patent number: ZL 2016 3 0501980.3.
E90-DTU has obtained "Utility Model Patent Certificate", its patent number is: ZL 2016 2 1410691.3 .
E90-DTU has obtained "CE Certificate" (EU Compulsory Certification), its verification number is: CCISE180514601V.
The E90-DTU has obtained the "FCC Certificate" (Federal Communications Commission Certification) with the ID:
2ALPH-E90-DTU.
E90-DTU has obtained "RoHS Certificate" (EU Environmental Protection Compulsory Certification), its report number is:
DTI201807025245.

1.3. Features

1. Using the latest generation of LoRa technology, it is farther away and more powerful than traditional LoRa data transmission
stations;
2. It adopts military-grade LoRa modulation technology, with data encryption, and the subcontract length can be set;
3. Super large single packet, single packet support up to 240 bytes, adapt to Modbus protocol;
4. Simple high-efficiency power supply design, support power supply configuration or crimping mode, support 8~28V power
supply;
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E90-DTU(400SL33) User Manual