Key Features

  • 802.11b/g/n 2.4GHz Wi-Fi interface implemented with a Marvell 8801 Wi-Fi transceiver
  • Compact 37.5mm x 20mm x 3.7mm stamp module form factor to simplify embedding into a variety of devices
  • Marvell 88MC200 microcontroller for running a device application and executing the LonTalk/IP control networking protocol
  • IzoT CPM 4200 Wi-Fi EVK available for rapid application development and testing
  • LonTalk/IP stack for simple installation and peer-to-peer connectivity
  • Compatible with the IzoT Commissioning Tool and the IzoT Router for easy installation with a wide variety of LonTalk/IP and classic LON devices
  • Interoperates with other LonTalk/IP and classic LON devices implemented with the IzoT SDK, IzoT FT 6000 EVK, or earlier generations of the LON development tools
  • Supports a rich set of LonMark and IoT standard profiles and data types to reduce application development time
  • ARM Cortex M3 architecture for supporting advanced device applications with comprehensive I/O capability
  • 1MB on-board flash memory for CPM 4200 system firmware, application firmware, and non-volatile data
  • 512KB RAM for data storage and the runtime stack
  • Supports expansion with additional off-chip serial flash memory
  • Two antenna options: on-board for ease-of-implementation or external for increased range
  • 40°C to 85°C industrial temperature range

Tech Specs



  • Marvell 88MC200 ARM Cortex-M3

Processor Clock

  • 32MHz

Processor Memory

  • 1Mbyte flash on CPM 4200 module
  • 1Mbyte flash on CPM 4200 EVB
  • 512Kbyte SRAM
Wireless Communications


  • Marvell 88W8801 radio
  • IEEE 802.11bgn, channels 1 – 13
  • 2.4GHz band
  • DSSS and OFDM modulation
  • Up to 54Mbps transfer rate
  • -82 dBm minimum sensitivity
  • STA mode, AP mode, can be used simultaneously
  • On-board or external antenna, selectable by application



Radio Standards and  Certifications

  • Europe: 
    • EN300 328 – Test Report 10614990S-B
    • EN301 489-1/-17 – Test Report 10614990S-A
    • EN60950-1 – Test Report 10614576H
    • EN62311 –
  • Canada: RSS-Gen Issue 4:2014 – IC 8093A-DWMW077E
  • Japan: TELEC T-401 – ID 007-AD0006
Available I/O Peripherals
  • 4 32-bit general purpose timers with selectable clock source, programmable clock divider, and pre-scalar
  • 2 universal asynchronous receiver transmitters (UARTs) supporting up to 115.2 kbps with auto flow control support and programmable data format
  • 2 I2C interfaces supporting up to 2 Mbps
  • 1 quad serial peripheral interface (QSPI) supporting up to 200 Mbps synchronous serial communication
  • 1 synchronous serial protocol (SSP) interface supporting SSP and SPI devices
  • 2 analog to digital converters (ADCs) with selectable decimation rates providing effective resolutions from 10 to 16 bits
  • 1 digital to analog converter (DAC) with 10-bit resolution and up to 500 kHz throughput
  • 17 general purpose input/outputs (GPIO) that can be configured as general purpose inputs or outputs
Operating Input Voltage


Environmental Specifications

Operating Environment

  • Operating temperature: -40℃  – 85℃
  • Operating humidity: 20% to 85%

Non-operating Environment

  • Non-operating temperature: -40℃  – 85℃
  • Non-operating humidity: 20% to 85% 


37.5mm x 20mm x 3.7mm (1.48” x 0.79” x 0.15”)

IzoT CPM 4200 Wi-Fi EVK Datasheet


IzoT CPM 4200 Wi-Fi Module Datasheet


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