NJ-iot401 4G Cat.1 Solar IoT Module | Remote Monitoring for Solar Street Lights | IP68 Solar Communication Module with 4G, RS485, and Cloud Platform | Global Bands, Remote Control | IoT Solar Monitoring Module
Key Features:
4G Cat.1 Wireless Communication: Reliable, low-latency cellular connectivity with global band support (China, Europe, Africa, Asia variants available).
Multiple Voltage Options:
NJ-iot401: 12V/24V supply (with embedded China Mobile SIM)
NJ-iot401-3V: 3.2V supply (with embedded China Mobile SIM)
NJ-iot401U-zhaga: Africa/Europe/Asia version with Zhaga interface
Universal Solar Controller Compatibility: Works with mainstream solar charge controllers via UART (TTL) or RS485 interfaces.
Remote Monitoring & Control:
Real-time monitoring of battery voltage/current, solar panel performance, and load status
Remote load on/off control and power adjustment
Read and modify single or multiple controller parameters remotely
Fault Alarms: Automatic alerts for battery, solar panel, and load failures.
Base Station Positioning: Integrated location tracking for asset management.
Remote Firmware Updates: OTA upgrades for continuous improvement.
Ultra-Low Power Consumption: Idle current of only 10mA (12V) or 6mA (24V).
Industrial-Grade Durability: IP68 waterproof and dustproof rating; operating temperature -35°C to +65°C.
Technical Specifications:
| Parameter | Specification |
| Models | NJ-iot401: 12V/24V (China version with embedded SIM) NJ-iot401-3V: 3.2V (China version with embedded SIM) NJ-iot401U-zhaga: Africa/Europe/Asia version with Zhaga interface |
| Supply Voltage | 3.2V / 12V / 24V (depending on model) |
| Idle Current | 10mA (12V), 6mA (24V) |
| Communication | 4G Cat.1, UART (TTL), RS485 |
| Operating Temperature | -35°C to +65°C |
| Protection Class | IP68 |
| Dimensions | 69 × 66 × 21 mm |
| Antenna Type | External (antenna hole size recommendation: 6.5-6.8mm) |
| Carrier Support | China Telecom, Mobile, Unicom (for China models) |
Applications:
Solar street light remote monitoring and control
Off-grid solar power systems
Rural electrification projects
Solar water pumping systems
Distributed solar asset management
Remote industrial solar installations
Installation Instructions:
For safety, follow this connection sequence:
Connect load (controller remains inactive)
Connect battery (controller starts if voltage >9V for 12V systems, >18V for 24V systems)
Connect solar panel (ensure open-circuit voltage within limits)
Connect 4-pin cable between controller and NJ-iot401 module
Attach antenna (avoid metal contact/enclosed metal spaces)
Why Choose NJ-iot401?
The NJ-iot401 Solar IoT Module delivers IP68 industrial durability, ultra-low power consumption, and versatile communication interfaces in a compact form factor. Whether retrofitting existing solar installations or designing new smart solar systems, it provides the reliable connectivity and comprehensive remote management capabilities required for modern solar energy applications.
Key words：
Solar IoT Controller Module
4G Cat.1 Solar Communication Module
Solar Charge Controller with 4G
Remote Solar Monitoring System
Solar Street Light Controller
Solar Panel Monitoring Device
IP68 Solar Controller
Off-Grid Solar IoT Module
Solar Battery Monitor with 4G
Solar Remote Load Control
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