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LoRa Wireless I/O & Sync Modules
Product Series Overview
Hunan Yanji Tech offers three distinct series of LoRa wireless I/O modules, each designed for specific communication scenarios and applications:
- Y401 Series - Point-to-point wireless I/O modules
- Y402 Series - One-to-many wireless I/O systems
- Y403 Series - Wireless linkage controllers with mesh networking
Series Comparison
| Feature | Y401 Series | Y402 Series | Y403 Series |
|---|---|---|---|
| Communication Type | Point-to-point | One-to-many (Master-Slave) | Mesh networking (Linkage) |
| Device Pairing | 2 devices (A & B) | 1 Master + Multiple Slaves | Multiple nodes (unlimited) |
| Channel Options | 1, 2, or 4 channels | 1 or 4 channels per device | 1 channel per node |
| Transmission Range | 5000m (point-to-point) | 5000m (point-to-point) | 5000m + relay extension |
| Configuration | Factory pre-paired | Factory pre-paired, expandable | Self-organizing network |
| Applications | Simple remote control | Centralized control systems | Coordinated control systems |
| Key Advantage | Simplicity | Scalability | Reliability & Coverage |
Y401 Series - Point-to-Point I/O Modules
Product Models
- Y401-11-L - 1DI/1DO Wireless I/O Module
- Y401-22-L - 2DI/2DO Wireless I/O Module
- Y401-44-L - 4DI/4DO Wireless I/O Module
Series Characteristics
- Pair-based operation: Each system consists of two devices (Device A & Device B)
- Bidirectional communication: Both devices can transmit and receive
- Independent channels: Multiple channels operate without interference
- Plug-and-play: Factory pre-paired, no configuration required
- Simple deployment: Ideal for straightforward remote control applications
Typical Use Cases
- Remote equipment control
- Automated water pumping systems
- Gate and barrier control
- Simple alarm systems
Y402 Series - One-to-Many I/O Systems
Product Models
- Y402-11-L - 1DI/1DO Master-Slave System
- Y402-44-L - 4DI/4DO Master-Slave System
- Y402-4411-L - 4-to-1 Channel Mapping System
Series Characteristics
- Master-Slave architecture: One master controls multiple slaves
- Scalable system: Add slaves as needed
- Bidirectional communication: Master-to-slave and slave-to-master
- Flexible configurations: Different channel combinations available
- Centralized management: Single point for system control
Typical Use Cases
- Building automation systems
- Industrial equipment control
- Multi-zone irrigation systems
- Centralized monitoring systems
Y403 Series - Wireless Linkage Controllers
Product Models
- Y403-11-L - 1DI/1DO Linkage Controller
Series Characteristics
- Mesh networking: Automatic signal relay between nodes
- Linkage control: Any node activation triggers all nodes
- Self-organizing: Automatic network formation and optimization
- Unlimited expansion: No limit on number of nodes
- Obstacle penetration: Signals relay through barriers
Typical Use Cases
- Emergency stop systems
- Tunnel lighting control
- Underground facility monitoring
- Coordinated safety systems
Technical Specifications Summary
Common Specifications (All Series)
| Parameter | Specification |
|---|---|
| Frequency Range | 398~525MHz |
| Transmission Distance | 5000m (open area) |
| Power Supply | 9~36V DC |
| Operating Temperature | -20°C ~ +85°C |
| Antenna Interface | SMA connector |
| Mounting | 35mm DIN rail |
Output Specifications
| Parameter | Specification |
|---|---|
| Output Type | SPDT Relay |
| AC Rating | 250V 5A |
| DC Rating | 28V 5A |
| Input Types | NPN signals, dry contact switches |
Selection Guide
Choose Y401 Series When:
- You need simple point-to-point communication
- Application requires only two locations
- Budget is a primary consideration
- Setup simplicity is important
Choose Y402 Series When:
- You need centralized control of multiple locations
- System expansion may be required
- Different channel configurations are needed
- Master-slave architecture fits your application
Choose Y403 Series When:
- You need coordinated control across multiple locations
- Communication through obstacles is required
- Unlimited system expansion is needed
- High reliability through redundancy is critical
Installation Requirements
Common Requirements
- Antenna installation in open areas
- 35mm DIN rail mounting in electrical cabinets
- Proper power supply (9~36V DC)
- Antenna height: ~2 meters above ground
- Keep away from large metal equipment
Special Considerations
- Y401: Ensure line-of-sight between two devices
- Y402: Position master centrally for optimal slave coverage
- Y403: Strategic node placement for relay functionality
Support and Documentation
Technical Documentation
- Product specifications (detailed technical information)
- Installation guides (wiring and setup instructions)
- Safety notices (operating precautions)
Contact Information
- Manufacturer: Hunan Yanji Tech Co.,Ltd
- Email: hi@yanjiiot.com
- Website: www.yanjiiot.com
For detailed technical specifications, please refer to individual product specification documents linked above.