Chapter One Product Overview
1.1. Brief introduction
The E78-DTU (900LN22) is a standard LoraWan node data transceiver designed and
produced by Chengdu Ebyte Electronic Technology Co., Ltd. It is developed based on our
E78-868LN22S/915LN22S module,the equipment supports EU868/IN865/RU864/US915/AU915/
Seven regional files of AS923/KR920 ; the device supports CLASS-A/CLASS-C node types, and
supports ABP/OTAA two network access methods; the external communication interface of the
station adopts RS485/ RS232 communication, and the user can simply configure it through AT
commands or the host computer. It can be connected to the standard LoRaWAN network. At the
same time, the radio has functions such as transparent transmission and active polling, supports
serial port upgrade and remote configuration. It is an excellent choice for current IoT applications.
1.2. Features
Support transparent transmission;
Support active polling;
Using LoRaWAN communication technology;
Support automatic modbus CRC check;
AT command/host computer/remote configuration;
Support switching standard LoRaWAN region files;
Support hardware reset;
Serial port upgrade;
Working temperature range: -40℃
～
+85℃, suitable for various harsh working environments, real industrial grade products.
All aluminum alloy shell, compact size, easy installation, good heat dissipation; perfect shielding design, good electromagnetic
compatibility, strong anti-interference ability.
Power supply reverse connection protection, over-connection protection, antenna surge protection and other multiple protection
functions greatly increase the reliability of the radio.
