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1. Product Introduction
▫️ Key Features
Ra-01SCH-P
- The Ra-01SCH-P is a LoRa series module designed and developed by Shenzhen Ai-Thinker Co., Ltd. Designed for ultra-long-range spread spectrum communication, its RF chip LLCC68+ utilizes the LoRa™ remote modem, offering strong anti-interference capabilities and minimizing current consumption.
▫️ Technical Highlights
Supports FSK, GFSK, and LoRa® modulation.
Covers the frequency band 803MHz–930MHz.
Adjustable maximum transmit power:
- ① Default configuration: Internal PA powered by 3.3V, achieving up to +29dBm TxPower at 750mA current.
- ② Optional configuration: Internal PA powered by 5V, achieving up to +31dBm TxPower at 1A current.
Ultra-high sensitivity: As low as -137dBm@SF10125KHz.
Compact size: 17×16×3.2(±0.2)mm, dual-row stamp-hole SMD package.
Supports spreading factors SF5/SF6/SF7/SF8/SF9/SF10/SF11.
Low power consumption in receive mode: Minimum 16mA receive current.
SPI interface with half-duplex communication, CRC, and 256-byte packet engine.
Flexible antenna installation: Compatible with half-hole pads, through-hole pads, and IPEX connectors.
▫️ Selection Table
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| Parameter |
|---|
| 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-01SCH-P | View | Download |
3. STM32F103C8T6 HAL-based driver
| Module | Link |
|---|---|
| Ra-01SCH-P | Download |
4. Compliance & Testing
▫️ Power Consumption Test Reports
- Ra-01SCH-P Power Consumption Test Report:View
▫️ Hardware Reliability Test Reports
- Ra-01SCH-P Hardware Reliability Test Report:View