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Type 1MD - imp004m

Order Number LBEE5ZZ1MD

Shielded Small WiFi 11b/g/n+Bluetooth 4.1+MCU Module with Cloud Agent

  • 2.4GHz WiFi+Bluetooth MCU Module
  • Chipset: Cypress (CYW43438) + STM32 (ARM Cortex-M4F)
  • Processor: STM32 ARM Cortex-M4
  • Modulation: DSSS / CCK / OFDM

Supporting Electric Imp software platform

  • For Industrial IoT, Smart Home, Sensor Network
  • impOS for Cloud Connectivity
  • 96MHz CPU, 184KB RAM, 18 IOs
  • Ensure End-to-End security
  • UL® 2900-2-2 Certified
  • 2-layer PCB support
  • Wi-Fi driver, TCP/IP stack and security supplicant
  • Recommended In Production  

    Explanation of Product Status

    Under Development Products under development
    Please contact us for product availability and sample lead-time.
    In Production Product is in mass production.
    to be discontinued Not recommended for new designs. We are evaluating the schedule for the discontinuing of production of this item. Contact Murata or refer to the website for details of product supply and possible alternative product information.
    Discontinued product Production of this product has stopped. Contact Murata for inventory availability and possible alternative products.
    Recommended product This product is particularly recommended among our products currently in production.
    New product It's new item.

Type 1MD - imp004m

Connectivity Made Simple

Electric Imp offers a connectivity platform that delivers a powerful cloud service tied closely to Murata's leading-edge hardware, making it simple to connect devices to the Internet.

Electric Imp's unique solution - featuring fully integrated hardware, OS , security, APIs and cloud services - dramatically decreases cost and time to market while increasing security, scalability and flexibility. The Electric Imp platform enables innovative commercial and industrial applications and empowers manufacturers to manage and quickly scale their connected products and services to millions of users.

To discover how the Electric Imp Platform can enhance your products, please view Electric Imp Business Solution page: Electric Imp Business Solutions page (

To learn more about the Electric imp Platform, please visit Electric Imp Platform page: Electric Imp Business Platform (

Electric Imp Platform is the first IoT platform to be independently certified to UL® 2900-2-2 (Standard for Software Cybersecurity for Network-Connectable Devices, Part 2-2: Particular Requirements for Industrial Control Systems). To learn more about security, please visit : Security
Product Type MCU Module
Grade Consumer
Frequency 2.4GHz
Frequency MHz (min) 2400
Frequency MHz (max) 2483.5
Chipset Cypress (CYW43438) + STM32 (ARM Cortex-M4F)
Processor STM32 ARM Cortex-M4
Modulation DSSS / CCK / OFDM
Embedded Stack Yes
Antenna On-board
RF Conn/ Antenna PCB Antenna
System Clock Internal X'tal
Operating Temperature Range -20 to +70
Operating Temperature °C (min) -20
Operating Temperature °C (max) 70
Mounting Type SMT
Package LGA
Dimension 21.0 x 17.5 x 2.3 mm
Supply Voltage (Vdc) 3.3
Data Rate WLAN 11, 54, 65 Mbps
Bluetooth 4.1 LE
WLAN 802.11b/g/n
Technology WiFi+Bluetooth
Network No
Host Interface UART/SPI
Host Interface Other No
Interface Voltage (Vdc for VIO) 3.3
FCC/IC Certified FCC/IC Certified
ETSI Certified Yes
ISO9001 Yes
TS16969 No
Platform ElectricImp
Data Sheet Download PDF
Data Sheet Date Jul 29, 2017
Software Electric Imp Software

Please refer to below information regarding imp004m(Type 1MD+Electric Imp software)
Designing with imp004m:
Getting Started
Support Forum
Driver Firmware Electric Imp software
Block Diagram
Development Kit imp004m-breakout
Evaluation Tool

imp004m-breakout provides the imp004m module with a power supply, GPIO breakout, an optional 32kHz crystal and required SPI flash. More detail is provided by ElectricImp


Order Number LBEE5ZZ1MD
Production Part Number LBEE5ZZ1MD-011
Development Kit Part Number imp004m-breakout

Please check "Where to Buy | Distributor Inventory".

Please engage with Murata sales team and wireless team to determine if this module is suitable for your applications.

Murata reserves the right to support or not to support requests based on the corporate policy that includes export control and application restrictions, annual volume requirement (100kpcs) or other requirements.

To expedite the qualification of your application for these modules, please submit the information through the Contact Us button on the top.

Order Increment 2,000
Packaging Tape and Reel