Radio: Bluetooth 4.2
Output Power: +4dB
Receiver Sensitivity: -93dB
Antenna: integrated antenna
GPIO: 20
Supply Voltage: 1.8V-3.6V
Power Consumption: 8mA
Weigh: 1.2g
Dimensions: 15.72 x 9.15x 2.2mm
Certification: BQB,FCC,CE,IC,RoHs
Product introduction

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.


Frequently Asked Questions
Contact Us
Buy samples
EH-MC30 Datasheet V1.2.pdf
What Bluetooth solutions does NextBright offer?

We offer a full range of Bluetooth solutions: Bluetooth data transfer (classic Bluetooth), Bluetooth audio and low power Bluetooth. We also have a multimode solution with built-in Bluetooth + wifi + Zigbee + AWS and support for Alexa voice services.

Can I request a free sample?
Which courier to send?
Will I get technical support?
What are the lead times for samples and mass production?
Oh good question! We are always happy to help new customers, please contact us with your company information and we will provide you with a free sample of the module!
In order to provide high quality service and to ensure express safety and timeliness, we use SF Express for samples and bulk shipments.

Yes, our FAE will send you the relevant documentation and maintain close communication to solve any problems you may encounter. We provide free self-developed standard software in which you can implement common functions, and if you wish, we can also provide you with SDK and guidance materials for secondary development.

Usually samples within 100 pieces will be shipped within 1-3 days. Bulk production usually takes 3-5 weeks.

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