EG71 Protocol Gateway

EG71 Datasheet
 Features
 Quad-core industrial-grade processor with large memory ensures stable performancefor
large-scale device connectivity and edge processing
 Comprehensive I/O interfaces with native support for RS485, KNX, M-BUS(Under
Development), LoRaWAN®, Wi-Fi and Ethernet devices
 Equips with NFC to add Milesight devices quickly
 Multi backhaul options including Ethernet, cellular (4G) and Wi-Fi for reliable networkredundancy
 Supports mainstream protocols such as Modbus, BACnet, MQTT, and HTTP for seamlessintegration with third-party hardware or software
EG71 is an intelligent and powerful edge IoT gateway designedforsmart building applications. Supporting both wiredandwirelessconnectivity, EG71 enables seamless data aggregationfromdiverse field devices and ensures fast, plug-and-playBMSdeployment. It bridges field-level sensors and actuatorswithcloudor BMS systems, providing reliable data processing, localautomation, and remote management in a compact formfactor. It is ideal for building automation, energy management, HVACcontrol, and other IoT applications in commercial buildings, campuses, hotels, and industrial facilities.
Building IoT Gateway
EG71
EG71 Datasheet
 Offers secondary development capabilities (Python SDK and Node-RED) to build customizedBMS systems
 Enables security communication with multiple VPN tunnels and firewall rules
 Enables centralized and simplified remote device management via Milesight Development
Platform
 Application Example
 Specifications
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 Connector
Channel 8 (Half-duplex)
Frequency Band CN470/IN865/EU868/RU864/US915/AU915/KR920/AS923-1&2&3&4Sensitivity -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 CLBT Support
EG71 Datasheet
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 802.11 b/g/n, 2.4GHz
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 encryptionClient: WPA-PSK/WPA2-PSK/WPA-Enterprise/WPA2-Enterprise
authentication, WEP/TKIP/AES encryption
Cellular Interface
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)
EG71 Datasheet
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
EG71 Datasheet
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 TCPData Forwarding:
MQTT(s), HTTP(s), BACnet/IP, Modbus TCP, Modbus RTU over TCPVPN 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
EG71 Datasheet
Event Alarm Power On, Network Up/Down, VPN Up/Down, etc. App Python SDK, Node-RED
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
Ingress Protection IP30
Material & 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
1: When powered via USB, M-BUS and Universal Inputs will not work properly.  Hardware Overview
EG71 Datasheet
 Wiring Diagram
Power Supply RS485 M-BUS KNXDigital Input Digital Output Analog Output
Dry Contact Resistive Load 4-20mA 0-10VUniversal Input
Digital Input-Wet
Contact
PT1000/Ni1000/NTC
/Resistance
Analog Input(4-20mA) Analog Input(0-10V)
 Accessories
*Note: Contact us if you need any other special accessories or customized accessories.
1 × LoRaWAN
®
Magnetic Antenna
1 × Cellular
Magnetic Antenna
1 × Wi-Fi Magnetic
Antenna
2 × Wall MountingKits1 × Label Sticker
EG71 Datasheet  Dimensions(mm)