






Routers & Gateways
KEY-IOT (StarElink) SG500 Energy Consumption Industrial IoT Gateway
SG500 embedded energy monitoring gateway with 4G full network, dual LAN ports and multi serial interfaces. Optimized for water/electricity/gas metering collection, supports Modbus/HJ212, Linux secondary development and StarCloud batch management.
Specifications
| Temp | -30℃~+70℃ |
| Brand | KEY-IOT (StarElink) |
| Model | SG500 Energy Consumption Industrial IoT Gateway |
| Memory | 256MB RAM, 8GB Flash |
| Serial | Multi RS485 meter interfaces |
| System | Linux secondary development |
| Feature | Energy data split statistics, cloud batch management |
| Voltage | DC 12~36V |
| Cellular | 4G full network module |
| Ethernet | 2×10/100M LAN |
| Mounting | DIN Rail |
| Protocol | Modbus RTU, HJ212, MQTT |
| Application | Building energy management, factory power monitoring |
| VPN Function | IPSEC |
| Cellular Network | 4G LTE |
| Serial Interface | RS485 |