Application scenarios:

Smart Energy
Smart Security
Smart Security
Industrial Automation
Healthcare Devices
Instruments and Meters
Home Automation
Smart Transportation
Smart Lighting

EMW3239 is an embedded module supplied by 3.3V voltage with radio-frequency chip with both Wi-Fi and BT4.1 and the ARM Cortex-M4 MCU operating at a 100 MHz frequency. SRAM up to 256KB, on-chip Flash up to 1MB and off-chip up to 2MB. EMW3239 has abundant peripherals supplied for different Wi-Fi and BT devices. EME3239 contains 2.4GHz WLAN IEEE 802.11 b/g/n MAC/Baseband/Radio and Bluetooth 4.1 (Supportable with BLE). Power amplifier is suitable for output power demand in massive devices. EMW3239 has low noise amplifier with best receive sensitive and internal radio-frequency transmit-receive switch.

Detailed parameters



  Dual Mode Bluetooth + Wi-Fi Combo;

  Cortex-M4 MCU and Wi-Fi/Bluetooth Radio-Frequency Chip;

  256KB SRAM, 1MB on-chip Flash and 2MB off-chip SPI Flash

  Operating voltage: DC 2.66V~3.6V ;

  Bandwidth: 20MHz. Maximum transmission rate: 72.2Mbps

Wi-Fi properties:

   Support 02.11b/g/n

   Support station and Soft AP mode

   Baud Rate: 921600

Bluetooth properties:

   Classic Bluetooth and Low Power Bluetooth(dual mode)

   Support Bluetooth 4.1

  Antenna: On-board PCB Antenna or IPEX Antenna


   1x I2C

   2x USART



   Up to 30 GPIOs with hardware interruption

   12-bit, 2.4MSPS ADC

   Serial wire debug (SWD) & JTAG

Operating temperature: 

  -30℃ to +70℃

Selection table:

Hardware architecture:

File Download


DS0046EN_EMW3239_V0.9.pdf 2017-05-26

Application Note

AN0049EN_EMW3239_V0.6.pdf 2017-05-26

MiCOKit 3239 Development Kit

MiCOKit-3239_Hardware manual_V1.1.pdf 2017-08-09


EMW3239 CE Certification.pdf 2017-05-26
EMW3239-ROHS-test-result.PDF 2017-05-26
EMW3239-REACH-test-result.PDF 2017-05-26