Ai-Thinker Ai-WB2-12S Module


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SKU: 1382875
  1. Model: Ai WB2 12S
  2. Package: SMD 16
  3. Size: 24.0*16.0*3.1(±0.2)mm
  4. Antenna on board: PCB antenna
  5. Frequency: 2400 ~ 2483.5MHz


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Brand: Ai-Thinker
Category: Ai Thinker ESP Modules
Tags: Ai-Thinker

Ai WB2 12S is a Wi Fi&BT module developed by Shenzhen Ai Thinker Technology Co., LTD. The module is equipped with BL602 chip as the core processor and supports Wi Fi 802.11b/ g/n protocol and BLE 5.0 protocol. The BL602 chip has a low power 32 bit RISC CPU, 276KB RAM, and a wealth of peripheral interfaces, including SDIO, SPI, UART, I2C, IR Remote, PWM, ADC, DAC, PIR and GPIO etc. It can be widely used in Internet of Things (IoT), mobile devices, wearable electronic devices, smart home and other fields.


  1. The package is SMD 16
  2. Support IEEE 802.11 b/g/n protocol
  3. Wi-Fi Security Support WPS/WEP/WPA/WPA2 Personal/WPA2 Enterprise/WPA3
  4. Support 20MHz bandwidth and Max rate is 72.2 Mbps
  5. Bluetooth BLE 5.0, Bluetooth Mesh
  6. Support Station + BLE mode Station + SoftAP + BLE mode
  7. Support 32-bit RISC CPU276KB RAM
  8. Secure start-up supports mirroring with ECC 256 signature
  9. Support QSPI/SPI Flash On The Fly AES Decryption, support AES 128 CTR mode
  10. Support AES 128/192/256-bit encryption engine
  11. Support SHA 1/224/256
  12. Support true Random number generator (TRNG)
  13. Public key Accelerator (PKA), supports a large number of basic operations, the software provides a signature, verification, and other application program interface
  15. Integrated Wi-Fi MAC/BB/RF/PA/LNA/BT
  16. Support a variety of sleep modes, deep sleep current 12μA
  17. Universal AT instruction for a quick start
  18. Support secondary development, integrated Windows, and Linux development environment

Package Includes:

1 x Ai-Thinker Ai-WB2-12S Module

SKU: 1382875 Category: Tag:

Ai WB2 12S



Antenna on board

PCB antenna

Frequency Range

2400 ~ 2483.5MHz

Operating Temperature (°C)

40℃ ~ 85℃

Storage Temperature

40℃ ~ 125℃, < 90%RH

Input Supply Voltage (VDC)

2.7V ~ 3.6V

Supply Current (A)





WPS/WEP/WPA/WPA2 Personal/WPA2 Enterprise/WPA3

Flash Memory

Default 2MByte, MAX support 16MByte



UART Baudrate

Default 115200 bps

Length (mm):


Width (mm):


Height (mm):


Shipping Weight 0.015 kg
Shipping Dimensions 5 × 5 × 2 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China