SKU: IOWC-1725
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AI-Thinker LoRa Series RA-08H Spread Spectrum Wireless Module

₹649.00 (Inclusive of all taxes)
Out of Stock

The AI-Thinker RA-08H is a high-integration LoRa spread spectrum wireless module based on the ASR6601 chip, combining an RF transceiver, modem, and a 32-bit ARM RISC MCU. It supports multiple modulations including LoRa, (G)FSK, BPSK, and (G)MSK for versatile LPWAN applications, featuring ultra-low power consumption with deep sleep currents down to 0.9µA.

Features

  • Multi-Modulation ASR6601 SoC: Integrates RF transceiver, modem, and a 48MHz 32-bit ARM RISC MCU in a single chip for flexible LoRa, (G)FSK, BPSK, and (G)MSK communications.
  • Ultra-Low Power LPWAN Design: Features multiple sleep modes with a deep sleep current as low as 0.9µA, ideal for battery-powered remote sensor nodes and long-term deployments.
  • Flexible Antenna Interface: Supports stamp holes, circular holes, and IPEX connector options, allowing for integrated PCB antennas or external antennas to optimize range and form factor.
  • Adequate On-Chip Memory: Equipped with 128KB of FLASH and 16KB of SRAM for application firmware, over-the-air updates, and network stack processing.
  • Spread Spectrum Long-Range: Engineered for ultra-long-distance spread spectrum communications, suitable for challenging industrial, agricultural, and smart city IoT networks.

Out of stock

Description

The AI-Thinker RA-08H Spread Spectrum Wireless Module is a highly integrated solution built around the ASR6601 system-on-chip (SoC). This chip architecture merges a sub-GHz RF transceiver, a digital modem supporting various modulation schemes, and a capable 32-bit ARM Cortex-M0+ based RISC microcontroller running at 48MHz. This integration simplifies design and reduces the bill of materials for creating robust, long-range wireless nodes.

Engineered for Low-Power Wide-Area Network (LPWAN) applications, the module excels in scenarios requiring extended battery life and reliable communication over several kilometers. Its support for LoRa modulation provides access to the popular LoRaWAN protocol stack, while the inclusion of (G)FSK, BPSK, and (G)MSK enables compatibility with proprietary or legacy wireless systems. The module’s power management unit is finely tuned, offering several low-power sleep modes to minimize energy consumption during idle periods, which is critical for field-deployed sensors.

Key Features

  • Multi-Protocol RF Core: The integrated ASR6601 transceiver supports LoRa, (G)FSK, BPSK, and (G)MSK modulations, offering design flexibility for both standard and proprietary networks.
  • Integrated MCU Simplifies Design: The onboard 32-bit ARM RISC microcontroller eliminates the need for an external host processor in many applications, reducing system complexity and cost.
  • Optimized for Deep Sleep Operation: Advanced power management enables a deep sleep current of just 0.9µA, dramatically extending battery life in periodic reporting applications.
  • Versatile Antenna Integration: Provides multiple antenna connection options including PCB stamp holes, circular mounting holes, and an IPEX connector for external antenna flexibility.
  • Sufficient Firmware Storage: 128KB of embedded FLASH memory allows for substantial application code and OTA update capabilities, supported by 16KB of SRAM for runtime operations.
  • Robust Spread Spectrum Performance: Designed for reliable, long-distance communication in noisy RF environments, making it suitable for industrial telemetry and remote monitoring.

Applications

  • Smart Agriculture & Environmental Monitoring: Deploy for soil moisture sensing, weather stations, and livestock tracking across vast farms using LoRaWAN networks.
  • Industrial IoT & Telemetry: Monitor tank levels, equipment status, and energy consumption in factories, warehouses, and remote industrial sites.
  • Smart City Infrastructure: Implement in smart parking sensors, waste management bin monitors, and streetlight control systems.
  • Asset Tracking & Logistics: Build long-life battery tags for tracking pallets, containers, and high-value assets in supply chains.
  • Remote Security & Alarm Systems: Create wireless intrusion detection, water leak, or fire alarm sensors with years of battery life.

Technical Specifications

KeyValue
Microcontroller/SoCASR6601 (32-bit ARM RISC MCU)
CPU Frequency48 MHz
Wireless ProtocolsLoRa, (G)FSK, BPSK, (G)MSK
Frequency RangeSub-1GHz (Region-specific variants, e.g., 868MHz, 915MHz)
Flash Memory128 KB
SRAM16 KB
Antenna ConnectorStamp Holes, Circular Holes, IPEX
Deep Sleep Current0.9 µA (Typical)
Operating Temperature-40°C to +85°C (Typical for industrial modules)
Dimensions (Shipping)90mm x 60mm x 30mm (Module size typically smaller)

Frequently Asked Questions

What development tools and SDKs are available for programming the RA-08H module?

Development typically utilizes the ASR6601 SDK provided by ASR Microelectronics, which includes HAL libraries, RF driver APIs, and sample code for the integrated ARM Cortex-M0+ core. You can program it using common ARM toolchains like Keil MDK or GCC ARM Embedded within an IDE. The SDK supports configuration of LoRa and FSK modulation parameters, low-power sleep modes, and peripheral interfaces. Always check AI-Thinker's official GitHub or website for the latest board support packages and documentation specific to the RA-08H module variant.

How do I select and connect an antenna to the RA-08H's flexible interface options?

The RA-08H offers three connection methods: PCB stamp holes for direct soldering of a trace antenna, circular through-holes for a wire antenna, or an IPEX connector for an external antenna. For best performance and regulatory compliance, use a matched antenna for your target frequency (e.g., 868MHz or 915MHz). If using the IPEX port, attach a certified pigtail cable and antenna. Ensure the antenna impedance is 50 ohms. The choice depends on your enclosure, desired range, and certification requirements for your final product.

What is the typical operational current and how can I minimize power consumption?

Active transmit and receive currents are in the tens of milliamps range, depending on output power and data rate. The key to low power is leveraging the module's sleep modes. Use the deep sleep mode (0.9µA) when the module is idle, waking it periodically via an internal RTC or external interrupt. Design your firmware to quickly acquire data, transmit in short bursts, and return to sleep. Ensure your power supply is stable and can handle the peak current demands during RF transmission to avoid brownouts.

Can the RA-08H module communicate with standard LoRaWAN network servers?

Yes, the RA-08H's ASR6601 chip fully supports LoRa modulation, which is the physical layer for LoRaWAN. To connect to a LoRaWAN network server like The Things Network or ChirpStack, you must implement the LoRaWAN protocol stack (Class A, B, or C) in your application firmware. The SDK provides the necessary LoRa modem drivers. You will need to handle OTAA or ABP activation, manage join procedures, and format uplink/downlink messages according to the LoRaWAN specification within your 128KB Flash memory constraint.

Package Includes

  • 1 x AI-Thinker RA-08H LoRa Spread Spectrum Wireless Module

Additional Information

Weight 0.02 kg
Dimensions 9 × 6 × 3 cm