NB-IoT Module CMN210

Product overview

The size of CMN210 is only 18mm × 16mm × 2.3 mm. It adopts LCC package. It also has stable performance, compact appearance, highly cost effective, and ultra-low power consumption, which can maximize the convenience of users for product development. CMN210 is embedded with rich network protocols (such as: TCP/IP/UDP/MQTT/CoAP/HTTP(S)/LWM2M), and integrates multiple industrial standard interfaces (such as: USB2.0, UART, I2C, GPIOs, ADC, SPI), and supports a variety of drivers and software functions, which greatly expands its application in the M2M field.

Functional features

  • Low power consumption: support PSM and eDRX modes, theoretically two AA batteries can support 10 years;
  • High sensitivity: Compared with the existing cellular technology, its coverage has a gain of 20dB, the signal coverage is wide, and the penetration ability is strong. Products using this module still have wireless communication capabilities indoors or at basement locations;
  • High-density deployment: Through targeted design, a community can maintain up to 50,000 terminals;
  • By providing reference designs, evaluation boards and timely technical support, it can meet the needs of customers' products to market quickly;
  • Powerful and rich functional interface;
  • The compact size of the LCC package can meet the narrow space requirements of terminal applications.
  • Technical ParametersView details

    Main features

    Dimensions: 18mm × 16mm × 2.3mm

    FDD-LTE frequency band: B3/B5/B8

    Control by AT command

    Power supply voltage: 2.1V~3.6V, typical: 3.3V

    Operating temperature: -40℃~+85℃

    Working humidity: 5%~95%RH, no condensation

    Support power saving mode:

    eDRX (3GPP Release 13)

    PSM (3GPP Release 12)

    Data transfer rate:

    Uplink maximum to 62.5kbps

    Downlink maximum 25.5kbps

    External single antenna




    Transmitting power: 23±2dBm (power level 5)

    Maximum power back-off: ≤1 dBm

    Power tolerance: 2 dB

    Frequency error: ±0.2ppm

    Error vector magnitude EVM: 17.5%

    Receiving sensitivity: -110 dBm

    Maximum input power: -25 dBm

    Power consumption:

    Idle mode/Idle: 8mA

    Sleep mode/Sleep: 0.6mA

    Power saving mode/PSM: 4uA



    USB2.0 x1 (high speed)

    UART x2 (4 wire and 2 wire UART interface)

    SIM card x1 (1.8V and 3V)

    I2C x1

    GPIO x5

    ADC x1

    SIP x1


    Other features

    USB driver supports Microsoft Windows

    Upgrade software firmware via USB port


    Text and PDU mode*






  • POS system
    POS system

    POS system

  • Smart parking
    Smart parking

    Smart parking

  • Smart agriculture
    Smart agriculture

    Smart agriculture

  • Security Monitoring
    Security Monitoring

    Security Monitoring

  • Smart meter reading
    Smart meter reading

    Smart meter reading

  • Logistics tracking
    Logistics tracking

    Logistics tracking

  • Smart wearable devices
    Smart wearable devices

    Smart wearable devices

  • Smart home
    Smart home

    Smart home

  • Pet tracking
    Pet tracking

    Pet tracking

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