Features - Ebyte E840-DTU User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd
E840-DTU(4G-02E ） is developed for serial port devices and network servers to transmit data to each other
through a network.It is a LTE-FDD/WCDMA/GSM wireless communication data
transmission modem with diversity receiving function, supporting LTE-FDD, DC-
HSDPA, HSPA+, HSDPA, HSUPA, WCDMA, EDGE and GPRS network data
connections, through simple AT commands Settings, you can easily use this product to
achieve two-way data transparent transmission from serial to network.
This manual is a quick introduction to the modem E840-DTU(4G-02E). It is the
easiest hardware environment to test the network transmission, that is, to realize data
transmitted between the serial device (here, the computer) and the network server.

Features

Meet almost all M2M application demands;
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Data transparent transmission, TCP, UDP network protocol, heartbeat packet, and registration package function
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available;
Max serial port baud rate: 230400, two-way serial transmission between device and network server;

Serial port large cache and the serial port data can be cached locally before the server is established.；
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SMS sending and receiving, SMS remote query/configuration device parameters;
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Multiple Socket links to send and receive at the same time;
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Modbus RTU and Modbus TCP to automatically convert each other;
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The maximum downlink rate is 150Mbps, and the maximum uplink rate is 50Mbps.
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With MQTT protocol, the device can access Alibaba Cloud, oneNET, Baidu cloud, and other IoT platforms;

Network AT command available, which can be configured remotely through the network.
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E840-DTU(4G-02E) User Manual
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