Product Descriptions

E840-TTL (EC04 DNC)/E840-TTL (EC04 DGC) is a new generation of high-performance 4G plug-in module with base station positioning function. The product has wide network coverage, low transmission delay, and supports Cat 1 network access from three major operators; At the same time, the product supports multiple configuration methods; Please read the user manual carefully before use.

Product Features

• Supports 4G full network, with wide coverage and high stability;

• Supports 4 sockets, each link works independently, supports independent 20K ultra large cache, registration packets, and heartbeat packets;

• Supports multiple working modes, including network transparent transmission, MQTT mode, HTTP transparent transmission, and SMS transparent transmission;

• Support quick access to Alibaba Cloud, Baidu Cloud OneNET、 3.1 version standard MQTT server;

• Support multiple configuration methods such as mobile phones, serial ports, and networks;

• Support APN/VPN access;

• Support base station positioning;

• Support transparent transmission of SMS data;

• The serial port supports multiple baud rates;

• The serial port is compatible with TTL levels of 3.3V and 5V, making it convenient for users to use;

• Supports Modbus RTU and Modbus TCP interconversion;

• Support multi link edge acquisition function, support Modbus automatic addition of CRC check;

• Support network upgrade;

• Support bidirectional continuous data transmission;

• Support lithium battery power supply;

• Multiple indicator lights provide feedback on the working status of the equipment;

• Industrial grade design, ultra-high reliability;

• E840-TTL (EC04-DGC) supports GNSS positioning;

Specifications

Actual product photos

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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