Unify Wired & Wireless Building
Systems with ONE Gateway
Discover how EG71 seamlessly integrates your building systems.
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EG71
Building IoT Gateway
EG71 is an intelligent edge IoT gateway that unifies wired and wireless connectivity in a single device, simplifying data aggregation, protocol conversion, and local control for smart building integration across both new construction and retrofit projects.
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Unify Wired & Wireless Building
The All-in-One Hub for Modern Building Integration
Unified Connectivity
Wired and wireless devices
integrated in one gateway
Multi-Protocol Support
Supports mainstream industrial
and building protocols
Edge Intelligence
Local data processing, protocol
conversion, and automation logic.
Rapid Deployment
Reduced cabling and simplified installation
for new and retrofit projects
Streamline Your BMS Deployment and Retrofit:
Faster, Smarter, Cost-Effective
Deploying or retrofitting a modern Building Management System (BMS) is often complex and costly. The EG71 enables seamless integration of wired and wireless devices, reducing cabling, accelerating deployment, and offering long-term flexibility. It's an ideal choice for both new and existing commercial buildings, campuses, hotels, and industrial facilities.
Rich Interfaces for Direct Connect and Control
One Gateway. Bridging Every Protocol
Reliable Data Backhaul, Always
Designed to Integrate with Existing Building Management Systems
EG71 integrates seamlessly with mainstream Building Management Systems, allowing system integrators to connect new and existing devices without replacing current BMS architectures. By converting field data into standard building protocols, EG71 reduces integration complexity while maintaining full interoperability and system scalability.
Fast Integration
quick setup with existing BMS systems
Interoperability
compatibility via standard building protocols
Flexible Expansion
ideal for retrofit and system upgrades
Edge Intelligence Designed for the Field
Edge intelligence processes data and executes control locally—cutting latency, lowering operational risk, and reducing cloud dependence. Even when networks are unstable, on-site intelligence keeps HVAC and energy systems running reliably.
High-Performance Edge Platform
EG71, powered by an industrial-grade quad-core processor with 2GB memory and 32GB storage, supports up to 2K end devices and 20K data points, ensuring stable, continuous operations while processing data on site.
Ready for Secondary Development
EG71 supports Python, Node-RED and Docker, enabling flexible secondary development for customized building logic, data processing,
and system integration.
Local Automation &
Independent Control
Control logic runs locally on EG71, reducing latency and cloud dependency while ensuring stable operation during network interruptions. With multiple built-in I/O interfaces, EG71 can directly control field devices and actuators at the edge.
Built for Easy Deployment & Maintenance
Zero-Touch Provisioning & Remote Management
EG71 supports automatic configuration, remote management, firmware upgrades, and LoRaWAN® network deployment via the Milesight Development Platform
Instant Sensor Pairing via NFC
EG71's NFC allows rapid pairing with Milesight sensors, speeding up device addition.
Tool-Free, Faster Installation
EG71's plug-in terminal design cuts on-site wiring time by up to 70% compared to traditional screw-fixed installations, boosting efficiency and reducing human error.
OLED & Physical Buttons for Direct Control and Visibility
The built-in OLED display and physical buttons provide real-time status visibility and basic on-device diagnostics, allowing field engineers to perform checks and troubleshooting without a laptop.
Redesigned Web GUI for Faster Management
Status overview
Offers a clear, at-a-glance view of system status, network health, connectivity, and gateway information, enabling quick gateway verification in live sites or existing BMS environments, saving time and improving efficiency.
Data Acquisition
Enables device declaration, protocol selection, model configuration (predefined or custom), object mapping, and automatic discovery such as BACnet scanning, supporting structured onboarding of field devices.
Data Forwarding
Bridges field data to BACnet, Modbus, HTTP, or MQTT endpoints, simplifying integration with supervisory and third-party platforms.
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Specifications
- EG71
| Hardware System | |
|---|---|
| CPU | Quad-core 1.5 GHz, 64-bit ARM Cortex-A53 |
| Memory | 2GB DDR4 RAM |
| Flash | 32 GB eMMC |
| Extendable Storage | 1 × Micro SD Slot |
| LoRaWAN® | |
| Antenna | 1 × 50 Ω SMB - Female External Connecto |
| Channel | 8 (Half-duplex) |
| Frequency Band | CN470/IN865/EU868/RU864/US915/AU915/KR920/AS923-1&2&3&4 |
| Sensitivity | -140dBm Sensitivity @292bps |
| Tx Power | 27dBm Max |
| Protocol | V1.0 Class A/Class B/Class C and V1.0.2 Class A/Class B/Class C |
| LBT | Support |
| Number of Devices | Around 2000 Devices (based on 10 min uplink interval) |
| Advanced Features | Noise Analyzer, Gateway Fleet, Multicast, FUOTA |
| Ethernet Interface | |
| Port | 2 × RJ45 Ports (WAN/LAN Software Switchable) |
| Physical Layer | 10/100/1000 Base-T (IEEE 802.3) |
| Data Rate | 10/100/1000 Mbps (Auto-Sensing |
| Interface | Auto MDI/MDIX |
| Mode | Full/Half Duplex (Auto-Sensing) |
| Ethernet Isolation | 1.5 kV RMS |
| PoE | 1 × 802.3 af PoE PD on ETH1 Port |
| Wi-Fi Interface | |
| Antenna | 1 × 50 Ω SMB - Female External Connector |
| Standards | IEEE 802.11b/g/n, 2.4 GHz |
| Tx Power | 802.11b: 18 dBm +/-2.0 dBm (11 Mbps) 802.11g: 18 dBm +/-2.0 dBm (6 Mbps) 802.11g: 17 dBm +/-2.0 dBm (54 Mbps) 802.11n@2.4 GHz: 17 dBm +/-2.0 dBm (MCS0_HT20) 802.11n@2.4 GHz: 16 dBm +/-2.0 dBm (MCS7_HT20) 802.11n@2.4 GHz: 17 dBm +/-2.0 dBm (MCS0_HT40) 802.11n@2.4 GHz: 16 dBm +/-2.0 dBm (MCS7_HT40) |
| Mode | AP or Client mode |
| Security | AP: WPA-PSK/WPA2-PSK authentication, WEP/TKIP/AES encryption Client: WPA-PSK/WPA2-PSK/WPA-Enterprise/WPA2-Enterprise authentication, WEP/TKIP/AES encryption |
| Cellular Interface (Optional) | |
| Network | 4G LTE(CAT1)/GSM |
| Tx Power | Class 3 (23 dBm ±2 dB) |
| Antenna | 1 × 50 Ω SMB - Female External Connector |
| Cellular Band | L08GL (Global except North America): LTE-FDD: B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/66 LTE-TDD: B34/38/39/40/41; GSM: B2/3/5/8 L09NA (North America): LTE-FDD: B2/4/5/12/13/66 |
| SIM Slot | 1 (Nano SIM-4FF) |
| Data Interfaces | |
| RS485 | |
| Numbers | 2 × RS485 |
| Baud Rate/bps | 1200/2400/4800/9600/19200/38400/57600/115200 (Software Switchable) |
| Terminal Resistor | 1 × 120 Ω Terminal Resistor (Software Switchable) |
| Number of Devices | Up to 128 Devices per RS485, total 256 Devices |
| KNX | |
| Numbers | 1 × KNX/TP1 |
| Bus Voltage | 21-30 V DC, via the KNX bus |
| Baud Rate | 9600 |
| Number of Devices | Up to 63 Devices |
| M-BUS (Under Development) | |
| Numbers | 1 × M-BUS |
| Voltage | 24-42V |
| Maximum Current Load | 10mA |
| Baud Rate/bps | 300/600/1200/2400/4800/9600 (Software Switchable) |
| Number of Devices | Up to 20 Devices |
| Universal Input | |
| Numbers | 8 × Universal Inputs (Software Switchable) |
| Digital Input | Work Mode: Digital Input (Wet Contact) Load: 0-24V DC |
| Analog Input | Input Type: 0-10V or 4-20mA Resolution: 12bit Accuracy: ±1% FS |
| RTD Input | Input Type: PT1000 or Ni1000 Input Connection: 2-wire Accuracy: ±0.5°C |
| NTC Input | Input Type: NTC 10K Type 2, NTC 10k Type 3 or NTC 20k Accuracy: ±0.5°C at 25°C |
| Resistance Input | Input Type: 1000 Ω or 2000 Ω Accuracy: 1 Ω |
| Digital Input | |
| Numbers | 4 × Dry Contact Inputs |
| Work Mode | Digital Input, Pulse Counter |
| Frequency | >=1000Hz |
| Digital Output | |
| Numbers | 3 × Relay Outputs |
| Resistive Load | Max. 3A@30 V DC or 3A@110 V AC |
| Analog Output | |
| Numbers | 4 × Analog Outputs |
| Analog Type | 4-20mA or 0-10V (Software Switchable) |
| Maximum Load | 20mA |
| Resolution | 12 bit |
| Accuracy | ±1% FS |
| Others | |
| Screen | 1.3-inch OLED Screen, 128 × 64 Pixels |
| Screen Buttons | 7 × Screen Control Buttons |
| NFC | 13.56MHz, support adding Milesight LoRaWAN® end devices |
| Reset Button | 1 × RST |
| USB | 1 × USB Type-C for Power Supply and Console |
| LED Indicators | 1 × SYS |
| Power Connector | 1 × 2-Pin Terminal Block |
| Built-in | Watchdog, RTC, Timer |
| Software | |
| Building Protocol | Data Acquisition: RS485: Modbus RTU, BACnet MS/TP KNX: KNX/TP Ethernet/Wi-Fi: BACnet/IP, Modbus TCP, Modbus RTU over TCP Data Forwarding: MQTT(s), HTTP(s), BACnet/IP, Modbus TCP, Modbus RTU over TCP |
| VPN Tunnel | OpenVPN/IPsec/PPTP/L2TP/WireGuard |
| Firewalls | Access Control, DMZ, Port Mapping (DNAT), MAC Binding, Filtering (IP&Domain) |
| DDNS | Supported 14 service providers, others can be configured manually |
| Multilevel Authority | Multiple Levels of User Authority |
| Reliability | Link Failover |
| Diagnostics Tools | Ping, Traceroute, Tcpdump, QXDM, Log Server |
| Configuration | Web, CLI (SSH/Telnet), On-demand dial up, SNMP |
| Remote Management | Milesight Development Platform |
| Event Alarm | Power On, Network Up/Down, VPN Up/Down, etc. |
| App | Python SDK, Node-RED, Docker |
| Power Supply and Consumption | |
| Power Input | 1. 24 V DC/AC by Terminal Block 2. 802.3 af PoE 3. 5V/3A by USB Type-C Port1 |
| Power Consumption | Typical 411mA@20V (8.2W), Maximum 562mA@20V (11.24 W) |
| Physical Characteristics | |
| Reliability | MTBF > 500, 000 hours @ 25°C (according to Bellcore TR-332) -non contractual |
| Ingress Protection | IP30 |
| Housing & Color | PC+Aluminium Alloy, Grey |
| Weight | 375.6g |
| Dimensions | 123 x 90 x 36 mm (4.84 x 3.54 x 1.42 in) |
| Wire Connection | AWG 24-16 |
| Installation | Wall Screw Mounting, DIN Rail Mounting |
| Environmental | |
| Operating Temperature | -40°C to +60°C (-40°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Relative Humidity | 0% to 95% (non-condensing) at 25°C/77°F |
| Approvals | |
| Regulatory | CE, CE (RED), FCC |
1: When powered via USB, M-BUS and Universal Inputs will not work properly.
Documents
EG71 Datasheet
EG71 Installation Guide
EG71 Administrator Guide
EG71 HTTP&MQTT Application Guide
Payload Decoder