Ebyte E78-DTU(470LN22), Руководство пользователя, Страница: 4 / 50

Chengdu Ebyte Electronic Technology Co., Ltd. E78-DTU(470LN22) User Manual
Copyright © 2012–2022 , Chengdu Ebyte Electronic Technology Co., Ltd. 2
1. Overview
1.1. Introduction
E78-DTU(470LN22) product is a standard LoraWan node radio designed
and produced by Chengdu Ebyte Electronic Technology Co. , Ltd. It is devel
oped based on our company's E78-470LN22 S module. The working frequenc
y band is CN470~510MHZ and supports CLASS –A/CLASS- C node type, s
upports ABP/OTAA two network access methods ; the external communicatio
n interface of the radio adopts RS485 communication , the user can access t
he standard LoraWan network through AT commands or simple configuration
of the host computer , and the radio has transparent transmission and active
polling. It supports serial port upgrade and remote configuration, and is an e
xcellent choice for current IoT applications.
1.2. Features

Serial port upgrade;

Support transparent transmission;

Support active polling;

Support hardware reset;

Adopt Lo R a Wan communication technology ;

Support automatic modbus CRC check;

AT command/host computer/remote configuration;

Working temperature range: -40℃
～
+85℃, suitable for all kinds of harsh working environment, real i
ndustrial grade products.

All aluminum alloy shell, compact size, easy installation, good heat dissipation; perfect shielding desi
gn, good electromagnetic compatibility, strong anti-interference ability.

Power reverse connection protection, over-connection protection, antenna surge protection and other m
ultiple protection functions greatly increase the reliability of the radio.