Ebyte E840-DTU(EC05-485)E-V2 Industrial 4G DTU LTE RS485 Serial Data Transmission Module

Ebyte E840-DTU(EC05-485)E-V2 Industrial 4G DTU LTE RS485 Serial Data Transmission Module

The E840-DTU (EC05-485)x is a compact 4G DTU developed by Chengdu Ebyte Electronic Technology Co., Ltd. based on 4G CAT1 technology. It features a small size, high data rate, low latency, and ease of use. With simple configuration, it enables serial devices to connect to the network, achieving bidirectional transparent data transmission between serial devices and network servers.

The product adopts 2.54 mm spring-loaded terminal blocks, making wiring convenient. It supports DIN rail mounting and positioning hole installation. With simple configuration, serial-to-network communication can be easily realized, making it highly suitable for integration into IoT projects.

The device uses a compact DIN rail mounting design, with a small form factor and easy installation. Through simple configuration, users can easily achieve bidirectional transparent data transmission between serial ports and networks.

The device supports two simultaneous connections and supports the MQTT protocol. It can connect to cloud platforms such as Alibaba Cloud, One Net, Baidu Cloud, and Huawei Cloud, enabling easy implementation of IoT applications

Datasheet

Features

• Adoptsa4GCAT1solution with millisecond-level latency, suitable for various data transmission scenarios
• Supports full 4G network compatibility
• Supports transparent data transmission
• Supports TCP, UDP, MQTT, and HTTP network protocols
• Supports connection to MQTT 3.1.1 standard servers such as Alibaba Cloud, Baidu Cloud, Huawei Cloud, Tencent Cloud, and One Net
• Supports heartbeat packet and registration packet functions
• Supports two Socket connections for simultaneous transmission and reception, each supporting primary/backup connection configuration
• Supports automatic conversion between Modbus RTU and Modbus TCP
• Supports fast AT commands
• Supports AT command configuration via network, serial port, and SMS 
• Supports AWS certificates (only supported by E840-DTU (EC05-485)E-V2)
• Supports configurable security mechanisms with customizable passwords
• Provides PC-based parameter configuration software for flexible operation
• Supports transparent transmission of network and SMS data (available in some models), with phone number filtering support
• Supports automatic restart when no data is received and automatic reconnection after disconnection
• Supports APN configuration
• Supports IP address query
• Supports wide voltage input of 8–28 V, suitable for multiple application scenarios
• Compact Size, supports DIN rail and positioning hole mounting
• Uses V0-grade flame-retardant plastic enclosure.

Specifications

• Characteristic parameters
• Supported frequency bands
• E840-DTU(EC05-485): LTE-TDD: B34/B38/B39/B40/B41; LTE-FDD: B1/B3/B5/B8
• E840-DTU(EC05-485)E：LTE-FDD: B1/B3/B5/B7/B8/B20/B28
• E840-DTU(EC05-485)E-V2：LTE-FDD: B1/3/5/7/8/20/28 ；LTE-TDD：B38/40/41
• Network protocol characteristics: Supports TCP/UDP/MQTT/HTTP/DNS protocols
• RF interface: SMA-K (External Thread Internal Hole)
• AWS Certificates: Only E840-DTU (EC05-485) E-V2 supports this.
• Hardware features
• Data Interface: RS485 (2.54mm spring terminal)
• baud rate: 1200-230400, default 115200bps
• Data bits: 8
• Stop bit: 1 (default), 2
• Check bit: None (default), Odd, Even
• Operating voltage: DC 8V～28V
• Operating temperature: -40～+85℃
• External dimensions: 80*28*27mm
• Product weight: 40g
• indicator lights
• PWR（蓝PWR ( blue  ): Lights up when power is on
• STATE（橙STATE ( Orange  )
• Off: The device is powered on and searching for the SIM card;
• Flashing: The device has detected the correct SIM card and is attaching to the network;
• Always lit: Device successfully attached to network;
• DATA（绿DATA ( green  ): Flashing: When the serial port is sending/receiving data.
• LINK（橙LINK ( Orange  )
• A solid light indicates that the device has successfully connected to the server.
• Off: The device failed to connect to the server;

Package Includes

• 1x E840-DTU(EC05-485)E-V2 High-performance 4G