Ebyte E90-DTU User Manual
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Chengdu Ebyte Electronic Technology Co,;Ltd E90-DTU (433L37) user manualCopyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 21. Introduction1.1. Brief IntroductionE90-DTU (433L37) is a data transmission station that adopts extremely advanced ultra-narrow band modulationtechnology. On the original basis, power amplifier (PA) and low noise amplifier (LNA) are built in, so that the maximumtransmitting power reaches 5w and the receiving sensitivity is also improved to a certain extent. Compared with theproducts without power amplifier and low noise amplifier, the overall communication stability is greatly improved.Different from analog FM stations and modems, digital radio provides transparent RS232/RS485 interface.The station works in 433MHz frequency band and the communication distance can reach 20km. Wireless digitalradio as a medium of communication, as well as optical fiber, microwave, open wire, there is a certain scope ofapplication: it provides some special conditions, private network monitoring signals in real-time and reliable datatransmission, low cost, easy installation and maintenance, diffraction capability is strong, flexible network structure, thecoverage is far characteristic, suitable for some more and occasions, such as dispersion and complex geographicalenvironment with PLC, RTU, rain gauge, level gauge and other data terminal is connected.1.2. CertificateE90-DTU has obtained the "radio transmission equipment model approval certificate", whose approval code is ：CMIIT ID:2017FP5780。E90-DTU has obtained the "explosion-proof certificate", whose number is: test no. 201711000975E90-DTU has obtained the "electrostatic surge detection report" issued by China testing institute, whose number isCNEx18.1461.E90-DTU has obtained the "appearance design patent certificate", and its patent number is ZL 2016 3 0501980.3.E90-DTU has obtained the "utility model patent certificate", and its patent number is ZL 2016 2 1410691.3.E90-DTU has obtained the "CE certificate" (mandatory eu certification), whose verification number isCCISE180514601V.E90-DTU has obtained an "FCC certificate" with the ID of 2ALPH-E90-DTU.E90-DTU has obtained the "RoHS certificate" (mandatory EU environmental protection certification), and its reportnumber is DTI201807025245. |
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