4G Wi-Fi Ethernet RTU
Item No.: NJ-iot402WE
Industrial compact RTU for serial-to-network data conversion over 4G Cat.1, Wi-Fi and Ethernet. Dual RS485, RS232 and digital I/O support field-device integration, with encrypted transmission, electrical isolation, protected interfaces and multi-data-center access.
Description
Industrial compact RTU for serial-to-network data conversion over 4G Cat.1, Wi-Fi and Ethernet. Dual RS485, RS232 and digital I/O support field-device integration, with encrypted transmission, electrical isolation, protected interfaces and multi-data-center access.
- Connectivity and interfaces: Solar, 4G Cat.1, WiFi, Ethernet, RS485, RS232, MQTT, IP30
- Communication: 4G Cat.1, Wi-Fi 802.11 b/g/n, Ethernet 10/100 Mbps
- Serial interfaces: 2 × RS485; 1 × RS232
- Digital I/O: 2 × 3.3 V digital inputs; 2 × 3.3 V digital outputs
- Protocols: TCP / UDP / MQTT / HTTP / HTTPS
- Encryption: TLS 1.2 / 1.3; SSL support as stated in the datasheet
- Supported voltage systems: 12 V / 24 V / 48 V
- Supply voltage: Technical table: 9–80 V DC; features also state 8–45 V. Confirm the correct input range before installation.
- Power consumption: Standby ≤0.5 W; operating ≤3 W
- Operating temperature: -40°C to +85°C
- Operating humidity: 5–95%, non-condensing
- Enclosure protection: IP30
- Interface protection: 15 kV ESD protection for serial interfaces; reverse-polarity and over-voltage power protection
- Isolation: RS485 electrical isolation
- Data centers: Active/standby data centers; up to 5 simultaneous data-center connections
- Authentication: SIM/USIM card interface
- Dimensions: 96 × 69 × 25 mm
- Net weight: Approximately 0.1 kg
Specifications
Review the main configuration points for 4G Wi-Fi Ethernet RTU, including control method, network, monitoring, interfaces, and deployment fit.
- Model
- NJ-iot402WE
- Communication
- 4G Cat.1, Wi-Fi 802.11 b/g/n, Ethernet 10/100 Mbps
- Serial interfaces
- 2 × RS485; 1 × RS232
- Digital I/O
- 2 × 3.3 V digital inputs; 2 × 3.3 V digital outputs
- Protocols
- TCP / UDP / MQTT / HTTP / HTTPS
- Encryption
- TLS 1.2 / 1.3; SSL support as stated in the datasheet
- Supported voltage systems
- 12 V / 24 V / 48 V
- Supply voltage
- Technical table: 9–80 V DC; features also state 8–45 V. Confirm the correct input range before installation.
- Power consumption
- Standby ≤0.5 W; operating ≤3 W
- Operating temperature
- -40°C to +85°C
- Operating humidity
- 5–95%, non-condensing
- Enclosure protection
- IP30
- Interface protection
- 15 kV ESD protection for serial interfaces; reverse-polarity and over-voltage power protection
- Isolation
- RS485 electrical isolation
- Data centers
- Active/standby data centers; up to 5 simultaneous data-center connections
- Authentication
- SIM/USIM card interface
- Dimensions
- 96 × 69 × 25 mm
- Net weight
- Approximately 0.1 kg
Application scenarios
- Smart charging infrastructure and environmental monitoring.
- Smart-grid and industrial automation data acquisition.
- Protected installations requiring serial-to-network conversion and MQTT platform integration.
Product buyer FAQ
What is 4G Wi-Fi Ethernet RTU used for?
Industrial compact RTU for serial-to-network data conversion over 4G Cat.1, Wi-Fi and Ethernet. Dual RS485, RS232 and digital I/O support field-device integration, with encrypted transmission, electrical isolation, protected interfaces and multi-data-center access.
Which specifications should I check before ordering?
Check the listed supply voltage, interfaces, communication network and regional configuration against your project requirements. Ask NetJoin to confirm any unspecified options or differences between document revisions.
Where can I find the product datasheet?
Use Download Datasheet on this page to review the supplied product document, including installation and configuration details.
Next steps
Share quantity, interface, communication method, location, and platform requirements so the engineering team can confirm fit.