Ai-Thinker Ra-08H LoRaWAN RF Module
Ai-Thinker Ra-08H LoRaWAN RF Module
Shipping & Delivery Information
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📦 Pre-order Items: If a product is marked as "Pre-order", it means it is currently out of stock. We'll dispatch your order once we have restocked, usually within 10 working days. For special pre-sale items, the expected arrival date will be noted in the product description.
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The Ra-08H is a long-range, low-power LoRa module developed by Ai-Thinker, designed for LPWAN (Low-Power Wide-Area Network) applications. It is based on the ASR6601 SoC, integrating an RF transceiver, modem, and a 32-bit RISC MCU with an ARM core running at 48MHz. Supporting LoRaWAN and LinkWAN protocols, it offers robust communication capabilities for IoT, smart meters, logistics, security, and remote monitoring.
With an operating frequency range of 803–930MHz, the Ra-08H module provides high sensitivity (-138 dBm @ SF12 125kHz) and a maximum transmit power of +22 dBm, making it ideal for long-distance, low-power wireless communication.
Key Features of Ra-08H
Wide Frequency Band Support
The Ra-08H module operates within the 803MHz–930MHz spectrum, ensuring compatibility with global IoT and industrial applications.
High Sensitivity & Long-Range Communication
With a sensitivity of -138dBm @ SF12 125kHz, the module enables ultra-long-distance connectivity. It delivers a +22dBm transmission power, ensuring stable and reliable wireless communication.
Low Power Consumption
Designed for energy efficiency, the module supports multiple sleep modes, with a deep sleep current as low as 0.9µA, maximizing battery life for IoT applications. It operates at a low voltage range of 2.7V–3.6V, making it highly power-efficient.
Multiple Modulation & Protocols
The Ra-08H supports LoRa™, (G)FSK, BPSK, and (G)MSK modulation methods, offering flexibility for different communication needs. It is compatible with LoRaWAN and LinkWAN networks, allowing for seamless deployment across various applications.
Rich Peripheral Interfaces
Equipped with UART, GPIO, ADC, DAC, PWM, I2C, I2S, and SPI interfaces, the module supports enhanced integration with external devices. It features a high-speed UART rate of up to 4.6Mbps, with a default setting of 115200bps, ensuring fast and reliable data transmission.
Robust & Compact Design
Built with a compact SMD-18 package and dimensions of 16.0 × 16.0 × 3.2mm, the Ra-08H is optimized for embedded systems with space constraints. Its industrial-grade temperature tolerance (-40°C to 85°C) ensures stable performance in harsh environmental conditions.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | Ra-08H |
| Package | SMD-18 |
| Size | 16.0 × 16.0 × 3.2mm |
| Antenna | Half-hole pad / Through-hole pad / IPEX |
| Frequency | 803MHz – 930MHz |
| Operating Temp | -40°C to 85°C |
| Storage Temp | -40°C to 125°C, <90% RH |
| Power Supply | 2.7V – 3.6V, >500mA |
| Interfaces | UART, GPIO, ADC, DAC, I2C, I2S, SPI, PWM |
| I/O Pins | IO2, IO4, IO5, IO8, IO9, IO11, IO14, IO15 |
| UART Rate | 110 – 4,608,000 bps, default 115,200 bps |
| Crystal Frequency | 32MHz |
| SPI Flash | 128KB |
| Protocol Support | LoRaWAN, LinkWAN |
Pin Definition & Function
| Pin No. | Name | Function Description |
|---|---|---|
| 1, 17 | GND | Ground |
| 2 | IO8 | GPIO8 / ADC_IN1 |
| 3 | IO11 | GPIO11 / ADC_IN0 |
| 4 | IO9 | GPIO9 / DAC_OUT |
| 5 | IO4 | GPIO4 / SSP1_CLK |
| 6 | IO5 | GPIO5 / SSP1_NSS |
| 7 | SWCLK | GPIO7 / SWD_CLK |
| 8 | SWDIO | GPIO6 / SWD_DATA |
| 9 | VCC | 3.3V Power Supply, Requires >500mA |
| 10 | LPRXD | GPIO60 / LPUART-RX, Communication Serial Input |
| 11 | TXD | GPIO17 / UART TX |
| 12 | RXD0 | GPIO16 / UART RX, Debug Serial Input |
| 13 | IO15 | GPIO15 / I2C_SDA |
| 14 | IO14 | GPIO14 / I2C_SCL |
| 15 | IO2 | GPIO2 / BOOT |
| 16 | RST | External Reset, Low Active |
| 18 | ANT | Antenna Interface |
Why Choose Ra-08H?
- Ultra-Long-Range Communication with LoRaWAN and LinkWAN support.
- High Sensitivity & Low Power with -138dBm sensitivity and 0.9µA deep sleep current.
- Compact Design with SMD-18 package, ideal for embedded IoT applications.
- Rich Peripheral Interfaces supporting UART, GPIO, ADC, DAC, PWM, I2C, I2S, SPI.
- Industrial-Grade Performance, with wide temperature tolerance (-40°C to 85°C).
Applications of Ra-08H
The Ra-08H LoRa module is optimized for low-power, long-range wireless IoT applications, including:
- Smart Metering (utility metering, water, gas, and electricity tracking).
- Supply Chain & Logistics (asset tracking, fleet monitoring).
- Home Automation (smart security systems, building automation).
- Remote Sensing & Environmental Monitoring (weather stations, smart agriculture).
- Industrial IoT (predictive maintenance, industrial automation).
- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.
- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.
1. General Shipping Information
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2. Shipping Options for Germany, EU* countries and US
(For Products in Munich Warehouse, Long Beach Warehouse)
2.1 Shipping options for an order value of up to €30 inside Germany, €50 inside the EU* or €45 in the U.S.:
Shipping Options:
| Shipping Options | Germany | EU* |
|---|---|---|
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Deutsche Post |
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DHL Paket |
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| Shipping Options | Continental U.S. | Non-Continental U.S. |
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2.2 Free shipping options for an order value of above €30 inside Germany, €50 inside the EU* or €45 in US :
| Free Shipping Options | Germany | EU* |
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Deutsche Post |
Free Above €30 | Free Above €50 |
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DHL Paket |
+ €2 for Above €30 / Free Above €60 | + €8 for Above €50 / Free Above €80 |
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DHL Express |
+ €10 for Above €30 | + €60 for Above €50 |
| Free Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
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USPS Ground Advantage |
Free above €45 | Free above €60 |
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UPS Express |
+ € 8.95 for Above €45 | + € 11.95 for Above €45 |
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Certain EU Countries are not included in our EU Zone definition: United Kingdom (excluding Ireland), Switzerland, Liechtenstein, Vatican City, Albania, Belarus, Norway, Ukraine, and Iceland. For the above countries, the International Shipping Rule applies.
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2.3 Shipping Options for International Countries:
(via Deutsche Post or YunExpress)
| Order Amount | International |
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| €0 - €15 | €8 |
| €15 - €30 | €7 |
| €30 - €50 | €6 |
| €50 and above | €4 |
Important Notice:
- Please verify the inventory location on the product page before placing your order to confirm delivery timeframes.
- For products in the Shenzhen warehouse, we will typically first ship the products from the Shenzhen warehouse to our Munich warehouse or Long Beach warehouse, which will take around 1.5 weeks. After we receive the shipment in Munich/ Long Beach, we will send the items to you. We will only arrange YunExpress shipping from Shenzhen for orders with products in the Shenzhen warehouse worth more than €50.
- If you place an order with products from both Munich and Shenzhen warehouses, we will first ship the products in the Munich warehouse, and then send the remaining products to you when we receive them from Shenzhen.
3. International Warehouse
3.1 German Warehouse
3.2 US Warehouse
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4. Customs and Taxes
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4.3 What kind of fee will be charged except VAT?
Effective Date: August 7, 2025
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