EH-MC30 is a Bluetooth single-mode low-power module that supports Bluetooth 4.2. The module is based on Nordic platform with built-in Cortex-M0 CPU, which can provide flexible hardware interface to connect sensors with better RF performance and fully comply with Bluetooth SIG related standards.

EH-MC30 module low power consumption, small size, stable performance, can be easily applied in smart wear, Beacon, smart home, medical devices and so on.


   Module Parameters                                                                                     


Wireless Features

    Bluetooth Features

 Hardware Features

  • Bluetooth 4.2 low power radio

  • Transmission power: +4 dBm

  • Receive sensitivity: -93 dBm

  • Integrated Antenna

  • TX peak current: 10.5mA

  • RX peak current: 13mA

  • Sleep mode current: <500nA


  • Bluetooth Smart specification

  • Master-Slave Mode

  • Up to 8 connections in master mode

  • 700Kbps + throughput rate

  • Supports wireless over-the-air upgrades

  • UART Host Interface

  • SPI,I2C,PWM,UART,GPIO Peripheral Interface

  • 10-bit ADC

  • Temperature range: -30℃ to +80℃

  • Dimension: 15.72*9.15*2.2 mm

  • Operating voltage: 1.8- 3.6V

 Software Features  

Microcontroller (MCU) Features



  • Embedded with NextBest Ehware's protocol stack

  • Ehware's Bluetooth 4.2 protocol

  • Ehware's ATCMD standard commands

  • EVK kit for developing Bluetooth 4.2 specification

  • ARM@Cortex-M0 32

  • 128kB 或 256kB Flash

  • 16kB 或 32kB RAM

  • BQB

  • FCC,CE

  • IC

  • RoHs

    Develop evaluation boards                                                                                                                     

The EH-MEVK-MC30-004 development evaluation board is provided with a complete set of EH-MC30 module interface features. A quick manual guide allows you to get up and running and run the module in minutes to test and evaluate product performance.

For more information on the evaluation board, please see the Development Board Specification.