Ai-Thinker Ra-01H General ISM<1GHz LoRa Module
The Ai-Thinker Ra-01H General ISM<1GHz LoRa Module is a cutting-edge wireless communication solution designed for long-range, low-power applications. Operating in the 868/915MHz frequency bands, this module is built around the SX1276 chip, which provides exceptional performance in terms of range, sensitivity, and power efficiency. Developed by Shenzhen Ai-Thinker Technology Co., Ltd., the Ra-01H is tailored for Internet of Things (IoT) applications, offering developers a reliable platform for creating connected devices in smart homes, industrial automation, and beyond.
Features:
- LoRa™ modem .
- Support FSK, GFSK, MSK, GMSK LoRa™ and OOK mode.
- Support 803/930MHz.
- Operating voltage is 3.3V,maximum output +19dBm，the maximum output current is 105mA.
- Low power Consumption in a received stat, the received current is 12.15mA，stand-by current is 1.6mA.
- High sensitivity as low as -140dBm.
- Small volume double row stamp hole patch package.
- SPI interface using half duplex communication, with CRC up to 256-byte packet engine.
Specifications:
| Specification | Details |
|---|---|
| Module Name | Ra-01H |
| Package | SMD-16 |
| Size | 17mm × 16mm × 3.2mm(±0.2) mm |
| Antenna | Compatible half-hole weld tray (requires antenna welding) |
| Spectrum Range | 803–930 MHz |
| Operating Temperature | -40°C to 85°C |
| Storage Environment | -40°C to 125°C (<90% RH) |
| Power Supply | 2.7–3.6V (Typical: 3.3V, Current ≥200mA) |
| Interface | SPI |
| Programmable Bit Rate | Up to 300 kbps |
| Certification | REACH, RoHS |
Pin Configuration:
| Pin No. | Name | Function Instruction |
|---|---|---|
| 1 | ANT | Antenna connection (requires welding) |
| 2 | GND | Ground |
| 3 | 3.3V | 3.3V power supply (VDD) |
| 4 | RESET | Module reset (active low) |
| 5 | DIO0 | Digital IO0 (software configurable) |
| 6 | DIO1 | Digital IO1 (software configurable) |
| 7 | DIO2 | Digital IO2 (software configurable) |
| 8 | DIO3 | Digital IO3 (software configurable) |
| 9 | GND | Ground |
| 10 | DIO4 | Digital IO4 (software configurable) |
| 11 | DIO5 | Digital IO5 (software configurable) |
| 12 | SCK | SPI clock input |
| 13 | MISO | SPI data output (Master In Slave Out) |
| 14 | MOSI | SPI data input (Master Out Slave In) |
| 15 | NSS | SPI chip select input (active low) |
| 16 | GND | Ground |
Application:
- Automatic meter reading.
- Home and building automation.
- Security systems.
- Remote irrigation systems.
Package Include:
- 1x Ai-Thinker Ra-01H General ISM<1GHz LoRa Module.
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