4G IoT M2M Unit
Key Features
● Modbus/MQTT Integration: Supports Modbus RTU/TCP master and MQTT for cloud platforms.
● I/O: 2×DI + 2×DO for device control and monitoring.
● Serial Port: 1×RS485 + 1×RS232 for PLC/legacy equipment communication.
● Edge Logic Control: Local logic execution for real-time decision-making.
● 4G Connectivity: Dual SIM card redundancy with global 4G bands (CAT-1/L-E/L-AU).
● Network Interfaces: 3×10/100Mbps LAN (PoE optional) + 1×WAN port.
● Wireless Access: Dual-mode WiFi (AP/STA), 2.4GHz band, up to 300Mbps.
● Security: IPsec/L2TP/OpenVPN encryption, built-in firewall.
● Industrial Reliability: IP30 rating, -20℃ to +65℃ operating temperature, ESD/EFT Level 3 protection.
● Dual Power Options: Standard 9-36VDC or PoE (48-57VDC).
Model Selection
| Model | SIM Slot | WiFi | POE | RS485/RS232 | DI | DO | AI | Function |
| R40 | 2 | √ | Optional | x | x | x | x | Only used as router |
| R40A | 2 | √ | Optional | 1*RS485+1*RS232 | 2 | 2 | x | Supports Modbus master/slave, MQTT, and logic control. |
| R40B | 2 | √ | Optional | 1*RS485+1*RS232 | 2 | 2 | 4 | Supports Modbus master/slave, MQTT, and logic control. |
Typical Application
◆ Unmanned Data Center/Tunnel Monitoring
◆ Meteorological/Hydrological Data Collection
◆ ATM/Self-service Vending Machine Networking
◆ Bridge/Dam Safety Monitoring
◆ Forest Fire Prevention and Early Warning
◆ Smart City Terminal Access
◆ Power/Energy Remote Monitoring
◆ Geological Disaster Monitoring
◆ Wireless Backhaul for Mobile Devices
Key Features
● Modbus/MQTT Integration: Supports Modbus RTU/TCP master and MQTT for cloud platforms.
● I/O: 2×DI + 2×DO for device control and monitoring.
● Serial Port: 1×RS485 + 1×RS232 for PLC/legacy equipment communication.
● Edge Logic Control: Local logic execution for real-time decision-making.
● 4G Connectivity: Dual SIM card redundancy with global 4G bands (CAT-1/L-E/L-AU).
● Network Interfaces: 3×10/100Mbps LAN (PoE optional) + 1×WAN port.
● Wireless Access: Dual-mode WiFi (AP/STA), 2.4GHz band, up to 300Mbps.
● Security: IPsec/L2TP/OpenVPN encryption, built-in firewall.
● Industrial Reliability: IP30 rating, -20℃ to +65℃ operating temperature, ESD/EFT Level 3 protection.
● Dual Power Options: Standard 9-36VDC or PoE (48-57VDC).
Model Selection
| Model | SIM Slot | WiFi | POE | RS485/RS232 | DI | DO | AI | Function |
| R40 | 2 | √ | Optional | x | x | x | x | Only used as router |
| R40A | 2 | √ | Optional | 1*RS485+1*RS232 | 2 | 2 | x | Supports Modbus master/slave, MQTT, and logic control. |
| R40B | 2 | √ | Optional | 1*RS485+1*RS232 | 2 | 2 | 4 | Supports Modbus master/slave, MQTT, and logic control. |
Typical Application
◆ Unmanned Data Center/Tunnel Monitoring
◆ Meteorological/Hydrological Data Collection
◆ ATM/Self-service Vending Machine Networking
◆ Bridge/Dam Safety Monitoring
◆ Forest Fire Prevention and Early Warning
◆ Smart City Terminal Access
◆ Power/Energy Remote Monitoring
◆ Geological Disaster Monitoring
◆ Wireless Backhaul for Mobile Devices
