A-01 LoRa Wireless Module (SX1278 – 433MHz)
Product Description
The RA-01 LoRa Wireless Module is a compact, high-performance RF transceiver based on the SX1278 chipset, designed for long-range, low-power wireless communication. Operating in the 433MHz frequency band, it uses advanced LoRa spread spectrum technology to provide stable and reliable data transmission over long distances, even in challenging environments.
This module is ideal for IoT systems, remote monitoring, smart agriculture, and industrial automation applications where efficient and dependable wireless communication is required.
Key Features
- Frequency Range: 410 – 525 MHz (optimized for 433MHz)
- Long Range Communication: up to 10 km (open area)
- Ultra-Low Power Consumption (sleep current < 1µA)
- High Receiver Sensitivity: up to -148 dBm
- Maximum Output Power: +20 dBm
- Communication Interface: SPI
- Strong anti-interference performance
- Compact and lightweight design
Pin Configuration
| Pin |
Description |
| VCC |
Power Supply (3.3V) |
| GND |
Ground |
| SCK |
SPI Clock |
| MISO |
SPI Data Output |
| MOSI |
SPI Data Input |
| NSS |
Chip Select |
| RESET |
Reset Control |
| DIO0 |
Interrupt (Tx/Rx Done) |
Note: This module operates at 3.3V logic level only. A level shifter is required for 5V systems.
Technical Specifications
- Chipset: SX1278
- Operating Voltage: 1.8V – 3.7V (recommended 3.3V)
- Frequency Band: 433MHz
- Modulation: LoRa
- Data Rate: 0.3 kbps – 37.5 kbps
- Operating Temperature: -40°C to +85°C
- Interface: SPI
- Antenna: External spring antenna (included)
Applications
- IoT networks
- Smart agriculture systems
- Industrial monitoring
- Smart home devices
- Wireless sensor networks
- Vehicle tracking systems
Why Choose RA-01
The RA-01 provides reliable long-distance communication with very low power consumption, making it a cost-effective and efficient solution for modern wireless projects.
