PB-03 can meet the power consumption requirements of most application scenarios, as the RF output power is adjustable, and other features can be fine-tuned. As such, the Bluetooth LE 5.2 module provides an optimal balance between the communication range, data rate, and power consumption
PB-03 is a BLE module developed by Shenzhen Ai-Thinker Technology Co, Ltd.
The core processor chip PHY6252(SSOP24)of this module is a BLE SoC with high integration and low power consumption, which is specially designed for various applications such as IoT, mobile devices wearable electronic devices and smart homes.
Features:
- PB-03 module provide rich peripheral interfaces including UART, PWM, ADC, I2C, SPI, PDM, DMA and up to 19 IOs.
- PB-03 module has many unique hardware security mechanisms Hardware encryption accelerator supports AES algorithm.
- PB-03 module supports BLE with low power consumption: BLE 5.2 and BLE mesh Bluetooth rate
- support: 125Kbps, 500Kbps, 1Mbps, 2Mbps. Support broadcast expansion multi-broadcast channel selection.
- Application: Smart light control, mesh networking
Packages includes:
1 x Ai-Thinker PB-03 BLE 5.2 Module
Technical Specifications
| Brand | Ai- Thinker |
|---|---|
| Model | PB-03 |
| Interface / Protocol | BLE |
| SKU | AI1691 |
| Weight | 0.0 kg |
| Availability | In Stock |
Applications & Use Cases
The Ai-Thinker PB-03 BLE 5.2 Module is a versatile bluetooth and nrf modules used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
- Integrating into a custom electronics project
- Learning and experimenting with circuits
- Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine Ai- Thinker product sourced from authorized channels






Anil Dubey (verified owner) –
Decent Ai-Thinker PB-03 BLE 5.2. Connection is stable indoors. Outdoor range slightly less than expected.
Parth Joshi –
This Ai-Thinker PB-03 BLE 5.2 works perfectly for my wireless project. Easy to pair and use.
Meera Mehta (verified owner) –
Average Ai-Thinker PB-03 BLE 5.2. Works but range is less than advertised in my environment.
Shruti Rathore (verified owner) –
Nice Ai-Thinker PB-03 BLE 5.2. Works well with the library examples. Good for prototyping.
Pranav Jain (verified owner) –
Perfect Ai-Thinker PB-03 BLE 5.2 for wireless communication. Range exceeds the specifications.
Tushar Mittal (verified owner) –
Excellent Ai-Thinker PB-03 BLE 5.2! Range is impressive and connection is stable.
Kabir Shetty –
Average Ai-Thinker PB-03 BLE 5.2. Works but range is less than advertised in my environment.
Nitin Kohli –
Nice Ai-Thinker PB-03 BLE 5.2. Works well with the library examples. Good for prototyping.
Aryan Vyas (verified owner) –
Excellent Ai-Thinker PB-03 BLE 5.2! Range is impressive and connection is stable.
Ashish Panchal (verified owner) –
This Ai-Thinker PB-03 BLE 5.2 is reliable and consistent. Using it for long-range data transfer.
Sachin Singh (verified owner) –
Excellent Ai-Thinker PB-03 BLE 5.2! Range is impressive and connection is stable.
Aarav Saini (verified owner) –
Good Ai-Thinker PB-03 BLE 5.2. Range is decent. Antenna orientation matters for best performance.
Nandini Sethi (verified owner) –
This Ai-Thinker PB-03 BLE 5.2 works perfectly for my wireless project. Easy to pair and use.
Prashant Shetty (verified owner) –
Excellent Ai-Thinker PB-03 BLE 5.2! Range is impressive and connection is stable.
Anjali Sethi (verified owner) –
Superb Ai-Thinker PB-03 BLE 5.2! Using it in my asset tracking project. GPS accuracy is great.
Lakshya Khurana (verified owner) –
Decent Ai-Thinker PB-03 BLE 5.2. Connection is stable indoors. Outdoor range slightly less than expected.
Zubin Bhat (verified owner) –
Very satisfied with this Ai-Thinker PB-03 BLE 5.2. Low power consumption makes it ideal for battery projects.
Piyush Chopra (verified owner) –
Great Ai-Thinker PB-03 BLE 5.2. Using in my vehicle tracking system. Works flawlessly.