Ai-Thinker AI-WB2-12F WIFI & BLE 5.0 Module
The Ai-Thinker AI-WB2-12F WIFI & BLE 5.0 Module is a highly versatile wireless communication solution engineered for a broad spectrum of applications, including Internet of Things (IoT) devices, smart home systems, wearable electronics, and mobile devices. Equipped with the BL602 chip, this module integrates Wi-Fi 802.11b/g/n and Bluetooth Low Energy (BLE) 5.0, including Bluetooth Mesh, delivering robust and flexible connectivity options for modern electronic designs.
Features:
- The package is SMD-22.
- Support IEEE 802.11 b/g/n protocol.
- Wi-Fi Security Support WPS/WEP/WPA/WPA2 Personal/WPA2 Enterprise/WPA3.
- Support 20MHz bandwidth and Max rate is 72.2 Mbps.
- Bluetooth BLE 5.0, Bluetooth Mesh.
- Support Station + BLE mode Station + SoftAP + BLE mode.
- Support 32-bit RISC CPU,276KB RAM.
- Secure start-up, supports mirroring with ECC-256 signature.
- Support QSPI/SPI Flash On-The-Fly AES Decryption, support AES 128 CTR mode.
- Support AES 128/192/256-bit encryption engine.
- Support SHA-1/224/256.
- Support true Random number generator (TRNG).
- Public key Accelerator (PKA), support large number basic operations, software provides.
- signature, verification and other application program interface.
- Support SDIO,SPI,UART,I2C,IR remote,PWM,ADC,DAC,PIR,GPIO etc.
- Integrated Wi-Fi MAC/BB/RF/PA/LNA/BT.
- Support a variety of sleep modes, deep sleep current 12μA.
- Universal AT instruction for quick start.
- Support secondary development, integrated Windows, Linux development environment.
Specifications:
| Parameter | Specification |
|---|---|
| Model | Ai-WB2-12F |
| Package | SMD-22 |
| Size | 24mm × 16mm × 3mm (±0.2) mm |
| Antenna | On-board PCB antenna |
| Frequency | 2400 ~ 2483.5 MHz |
| Operating Temperature | -40°C ~ 85°C |
| Storage Temperature | -40°C ~ 125°C, < 90% RH |
| Power Supply | Voltage: 2.7V ~ 3.6V, Supply Current: ≥ 500 mA |
| Interface | UART / GPIO / ADC / PWM / I2C / SPI |
| I/O Pins | 15 |
| UART Rate | Default 115200 bps |
| Security | WPS / WEP / WPA / WPA2 Personal / WPA2 Enterprise / WPA3 |
| Flash | Default 4 MByte, Support for expansion |
Pin Configuration:
| No. | Name | Function |
|---|---|---|
| 1 | RST/NC | Default not connected; can be customized as reset pin (active-low). Contact Ai-Thinker to enable. |
| 2 | IO11 | GPIO11 / SPI_SCLK / IIC_SDA / ADC_CH10 |
| 3 | EN/NC | Default chip enable pin (active-high). Cannot be used with RST simultaneously. |
| 4 | IO12 | GPIO12 / SPI_MOSI / MISO / IIC_SCL / PWM_CH2 / ADC_CH0 |
| 5 | IO14 | GPIO14 / SPI_SS / IIC_SCL / PWM_CH4 / ADC_CH2 |
| 6 | IO17 | GPIO17 / SPI_MOSI / MISO / IIC_SDA / PWM_CH2 |
| 7 | IO3 | GPIO3 / SPI_SCLK / IIC_SDA / PWM_CH3 |
| 8 | VCC | 3.3V power supply. Recommended output current of external power supply ≥ 500mA. |
| 9 | IO22 | Not recommended to use. Shared with Flash. Contact Ai-Thinker to enable. GPIO22 / SPI_SS / IIC_SCL / PWM_CH2 / JTAG_TCK / TMS |
| 10 | IO0 | Not recommended to use. Shared with Flash. Contact Ai-Thinker to enable. GPIO0 / SDIO_CLK / SPI_MOSI / MISO / IIC_SCL / PWM_CH0 / JTAG_TMS/TCK |
| 11 | NC | Not connected / unavailable |
| 12 | NC | Not connected / unavailable |
| 13 | IO20 | Not recommended to use. Shared with Flash. Contact Ai-Thinker to enable. GPIO20 / SPI_MOSI / MISO / IIC_SCL / PWM_CH0 / JTAG_TMS / TCK |
| 14 | IO21 | Not recommended to use. Shared with Flash. Contact Ai-Thinker to enable. GPIO21 / SPI_MOSI / MISO / IIC_SDA / PWM_CH1 / JTAG_TDI / TDO |
| 15 | GND | Ground |
| 16 | IO4 | GPIO4 / SPI_MOSI / MISO / IIC_SCL / PWM_CH4 / ADC_CH4 |
| 17 | IO2 | Not recommended to use. Shared with Flash. Contact Ai-Thinker to enable. GPIO2 / SPI_SS / IIC_SCL / PWM_CH2 |
| 18 | IO8/NC | Default NC / unavailable |
| 19 | IO5 | GPIO5 / SPI_MOSI / MISO / IIC_SDA / PWM_CH0 / ADC_CH4 |
| 20 | IO1 | Not recommended to use. Shared with Flash. Contact Ai-Thinker to enable. GPIO1 / SPI_MOSI / MISO / IIC_SDA / PWM_CH1 |
| 21 | RXD | RXD / GPIO7 / SPI_SCLK / IIC_SDA / PWM_CH2 |
| 22 | TXD | TXD / GPIO16 / SPI_MOSI / MISO / IIC_SCL / PWM_CH1 |
Applications:
- Smart home devices.
- Wearable electronics.
- IoT sensor networks.
- Industrial automation systems.
- Mobile device connectivity.
Package Include:
- 1x Ai-Thinker AI-WB2-12F WIFI & BLE 5.0 Module.
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