
E840-DTU (EC05-485)E is a small-sized 4G DTU,using 4G CAT1 technology for use in the Asia-Pacific region, Australia, New Zealand and other regions.
It has small size, high speed, low latency and the shell adopts three-proof coating, which is Anti-Fungal, Anti-Humidity, and Anti-Salt Spray.
It is low cost and easy to use. Simple configuration can realize the serial port device networking function (two-way transparent transmission between the serial port device and the network server).
Features
- Adopts 4G CAT1 solution with millisecond-level latency to meet various data transmission application
- scenarios ;
- Support 4G full network;
- Support transparent data transmission;
- Support TCP, UDP, MQTT, HTTP network protocols;
- Support connection to standard MQTT3.1.1 servers;
- Support heartbeat package and registration package;
- It can transmit and receive from two Socket links simultaneously, each Socket available for master and
- backup connection information settings;
- Support automatic switch between Modbus RTU and Modbus TCP;
- Support fast AT commands;
- Available for network, serial port, and SMS AT command configuration;
- Support configuration of security mechanisms, and password can be set by user self;
- Computer-side parameter configuration software is convenient and flexible;
- Support network and SMS data transparent transmission, and support phone number filtering;
- The device supports restart without data and reconnection after disconnection;
- Support APN;
- Support IP address query;
- Support 8-28V wide voltage power supply, suitable for various application scenarios;
- Small size, supports guide rail + positioning hole installation;
-
Adopt V0 grade flame retardant plastic shell.








