The Ra-01SCH-P is a high-performance LoRa module developed by Ai-Thinker, designed for long-range, ultra-low power wireless communication. This module operates in the 803MHz–930MHz frequency range, leveraging LoRa™ modulation technology for enhanced anti-interference, ultra-long-distance transmission, and low power consumption.
Equipped with an LLCC68 RF chip , the Ra-01SCH-P integrates a power amplifier (PA) and low-noise amplifier (LNA), delivering +29dBm transmission power with an ultra-high sensitivity of -137dBm (SF10 125KHz). It is ideal for smart agriculture, industrial automation, smart home security, and remote monitoring applications.
Key Features of Ra-01SCH-P
- Wide Frequency Band Support
Operates in the 803MHz–930MHz spectrum, suitable for global IoT applications.
- High Sensitivity & Long-Range Communication
Achieves -137dBm sensitivity and +29dBm transmission power, ensuring reliable long-distance wireless connectivity.
- Low Power Consumption
In receive mode, power consumption can be as low as 16mA, making it ideal for battery-powered IoT applications.
- Multiple Modulation Methods
Supports FSK, GFSK, and LoRa™ modulation, offering flexibility for different wireless communication needs.
- High Data Throughput
Supports spreading factors SF5–SF11, optimizing data rate and range balance.
- Flexible Antenna Interface
Compatible with half-hole soldering, through-hole mounting, and IPEX connector, providing multiple installation options.
- Reliable SPI Communication
Uses the SPI interface with half-duplex transmission, CRC error detection, and supports data packet sizes up to 256 bytes.
- Adjustable Power Configuration
- Default Mode: Internal PA operates at 3.3V, with +29dBm output power and 750mA current consumption.
- Configurable Mode: Internal PA operates at 5V, with +31dBm output power and 1A current consumption (requires customization).
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Ra-01SCH-P |
| Chipset | LLCC68 |
| Form Factor | SMD-16, dual-row pin layout |
| Dimensions | 17 × 16 × 3.2mm (±0.2mm) |
| Antenna Type | Compatible with half-hole, through-hole, and IPEX connectors |
| Frequency Band | 803MHz – 930MHz |
| Modulation | FSK, GFSK, LoRa™ |
| Spreading Factors | SF5 – SF11 |
| Sensitivity | -137dBm @ SF10 125KHz |
| Transmission Power | +29dBm (default), +31dBm (custom) |
| Operating Voltage | 3.0V – 3.6V, typical 3.3V, >1A current |
| Power Consumption | Receive mode: 16mA, Transmit mode: up to 1A |
| Operating Temperature | -40°C to 85°C |
| Storage Conditions | -40°C to 125°C, <90% RH |
| Interface | SPI |
| Max Data Rate | 300kbps |
Why Choose Ra-01SCH-P?
-
Best-in-Class Long-Range Wireless Communication
Combines high sensitivity (-137dBm) with high output power (+29dBm) to enable ultra-long-distance transmission. -
Low Power Design
Designed for energy-efficient IoT, smart city, and industrial applications, ensuring extended battery life. -
Versatile Installation & Integration
Supports multiple antenna interfaces and standard SPI connectivity for easy hardware integration. -
Robust Performance & Industrial-Grade Reliability
Works across extreme temperatures (-40°C to 85°C), suitable for both indoor and outdoor deployments. -
Ideal for IoT, Remote Sensing, and Smart Agriculture
Perfect for smart metering, security systems, precision farming, and environmental monitoring.
Applications of Ra-01SCH-P
The Ra-01SCH-P LoRa module is optimized for long-range, low-power wireless IoT applications, including:
- Smart Agriculture (soil moisture monitoring, irrigation control)
- Industrial Automation (remote monitoring, asset tracking)
- Smart Home & Security (intrusion detection, alarm systems)
- Environmental Monitoring (weather stations, air quality sensors)
- Supply Chain & Logistics (fleet tracking, inventory management)