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1. Product Introduction
▫️ Key Features
Ra-01S
The Ai-Thinker LoRa series module (Ra-01S) is designed and developed by Ai-Thinker Co., Ltd. Specialized in ultra-long-range spread spectrum communication, it integrates the SX126x RF chip with a LoRa™ remote modem, ensuring robust anti-interference capabilities and low power consumption.
▫️ Technical Highlights
LoRa™ Modem: Enables ultra-long-range communication with strong anti-jamming capabilities.
Multi-modulation Support: FSK, GFSK, MSK, GMSK, LoRa™, and OOK.
Frequency Range: 410MHz–525MHz (suitable for global ISM bands).
Power Supply: Operates at 3.3V with a maximum output of +22dBm and a peak current of 140mA.
Low Power Consumption
- Receive current: as low as 4.5mA
- Standby current: 1.6mA.
High Sensitivity: Down to -140dBm, enhancing link reliability.
Compact Design: Dual-row stamp-hole SMD package for space-efficient integration.
SPI Interface: Half-duplex communication with CRC and a 256-byte packet engine.
▫️ Selection Table
Expand to search and pick modules by chip, protocol, flash and more.
| Product Image |
| Wireless Protocol |
| Chip |
| Module Flash Size (Mbits) |
| Frequency Band (MHz) |
| Package |
| Dimensions (L×W×H) (mm) |
| Operating Temp Range (℃) |
| Storage Temp Range (℃) |
| Antenna Type |
| Interface |
| Available GPIO |
| Min Voltage (V) |
| Max Voltage (V) |
| Typical Voltage (V) |
| Max Current (mA) |
| Rx Current (mA) |
| Standby Current (μA) |
| Sleep Current (μA) |
| Certifications |
| Max TX Power (dBm) |
| Modulation |
| Max Distance (m) |
| Protocol Support |
2. About Modules
| Module | Datasheets | PCB Footprints |
|---|---|---|
| Ra-01S | View | Download |
3. STM32F103C8T6 HAL-based driver
| Module | Link |
|---|---|
| Ra-01S | Download |
4. Certification Related
| Module | Certificate | Link |
|---|---|---|
| Ra-01S | CE (RED) | View |
| Ra-01S | FCC | View |