The Ebyte E18-DTU(Z27-ETH) is a high-power industrial ZigBee gateway designed for seamless Ethernet-to-ZigBee protocol conversion, supporting six flexible operating modes including TCP, UDP, HTTP, and MQTT client, with a wide 8-28V DC power input and robust network integration capabilities for managing complex ZigBee star and mesh network topologies.
| Parameter | Specification |
|---|---|
| Interface | Ethernet (10M Full Duplex) |
| Working Voltage | 8 to 28V DC |
| Communication Modes | TCP/UDP/HTTP/MQTT Client |
| Device Types | Coordinator, Router, Terminal |
| Dimensions | 84 x 82 x 25 mm |
| Weight | 118g plus or minus 2g |
| Project | Instruction |
| Operating Voltage | 8~28V DC, recommended to use 12V or 24V power supply |
| interface | Network port (RJ45), 10Mbps |
| Operating mode | TCP Server (default), TCP Client, UDP Server, UDP Client, HTTP Client, MQTT Client |
| Socket connection | TCP server supports 6-way client connections |
| Network protocol | TCP/UDP, MQTT, HTTP, IPv4, DHCP, DNS |
| IP acquisition method | Static IP (default), DHCP |
| DNS domain name resolution | support |
| domain name resolution server | 114.114.114.114 (customizable) |
| configuration method | Web page, parameter configuration tool, AT command |
| IP address | 192.168.3.7 (can be customized) |
| username | admin (customizable) |
| password | admin (customizable) |
| local port | 8887 (can be customized) |
| subnet mask | 255.255.255.0 (customizable) |
| gateway | 192.168.3.1 (customizable) |
| Serial cache | 1024 Bytes |
| packaging mechanism | 512 Bytes |
| Serial baud rate | 1200 ~230400 bps (default 115200) Note: It is recommended to use the default parameters, and it is not recommended to modify |
| data bit | 5, 6, 7, 8 (default) Note: It is recommended to use the default parameters, and it is not recommended to modify them |
| stop bit | 1 (default), 2 Note: It is recommended to use the default parameters, and it is not recommended to modify them |
| Check Digit | None (default), Odd, Even |
| Flow Control | not support |
| Product Size | 84×82×25mm |
| product weight | 118g ± 2g |
| Working temperature and humidity | -40~ +85℃, 5%~95%RH (no condensation) |
| storage temperature and humidity | -40 ~ +105℃, 5%~95%RH (no condensation) |















Practical Application Scenarios
1. Large-Scale Smart Building Management
In high-density commercial buildings, this gateway functions as the primary ZigBee coordinator to aggregate data from hundreds of end-point sensors such as occupancy detectors, HVAC thermostats, and lighting controllers. By converting these ZigBee signals into MQTT packets, it enables seamless integration with cloud-based building management systems (BMS) for real-time energy optimization.
2. Industrial Wireless Sensor Networks (WSN)
Within complex factory environments where physical wiring is impractical, the E18-DTU(Z27-ETH) bridges the gap between field-level vibration or temperature sensors and a centralized PLC or SCADA system. Its router support allows the mesh network to automatically heal, ensuring continuous connectivity even when machinery obstacles obstruct line-of-sight signals.
3. Automated Asset Tracking
By supporting a flexible mesh network topology, this gateway enables real-time tracking of assets across warehouse or logistics centers. Each ZigBee router node extends the signal range, while the gateway provides the stable Ethernet backhaul required to push location and status data to a central warehouse management server without the latency of Wi-Fi handovers.
FAQ Section
1. Does the gateway support OTA (Over-the-Air) firmware updates for connected ZigBee nodes?
Yes, the E18-DTU(Z27-ETH) architecture is designed to support remote configuration and management. It facilitates the distribution of firmware updates to downstream routers and terminal devices within the network through the gateway's Ethernet interface, significantly reducing the maintenance overhead for widely distributed deployments.
2. Can this gateway be integrated directly into public IoT cloud platforms like AWS IoT or Azure?
Absolutely. By selecting the MQTT Client mode, the gateway can push ZigBee device data directly to standard MQTT brokers. This allows for straightforward integration with enterprise cloud platforms, where you can parse JSON data from your ZigBee sensors without requiring a dedicated middleware server.
3. How do I configure the gateway for specific network requirements?
The gateway features an integrated, user-friendly WEB configuration page. By simply accessing the device's IP address via a standard browser, you can toggle between the six operating modes, assign static or dynamic IP addresses, and manage the ZigBee network parameters (such as Pan ID and channel selection) locally.