2.4 GHz
and 802.15.4-ready
USB dongle


  • Description

    EMB-Z2531PA-USB is a performant low-power USB dongle capable of operating in IEEE 802.15.4 or ZigBee networks as a coordinator, router or end device. It is the USB adapter version of the EMB-Z2530PA. The RF section of the USB dongle employs a PA and LNA to provide up to 120dB of link budget. The integrated PCB antenna makes the EMB-Z2531PA-USB ready to transmit/receive over-the-air data out of the box. Two LEDs and one button are also available to build a basic user-interface. All these features allow to get started in few minutes with either firmware development or over-the-air transmission/sniffing.

    Notable features include:

    • output power up to +20 dBm (100 mW)
    • RF sensitivity up to -100 dBm
    • integrated PCB antenna or uFL connector option
    • open platform

    The EMB-Z2531PA-USB ships programmed with an Embit firmware which allows to employ the module as a simple, ready-to-use modem (using AT-like commands over UART; see EBI protocol page for more information). If custom applications needs to be developed, the EMB-Z2530PA-EVK provides all the tools required to download a custom firmware on the module. The IDE to be used depend on the stack chosen. IAR Embedded Workbench is usually used when working with the Z-Stack or TIMAC stacks.

  • Technical Specifications
    • Program memory: 256KB
    • RAM: 8KB
    • Output power (MAX): +20dBm
    • Sensitivity: -100dBm
    • Based on TI CC2531
    • Form factor: 60 x 22.6 x 7 mm
    • Power consumption (standby): 1.1µA
    • Supply: 5V (from USB)

  • Firmware Support

    Supported firmware stacks:

    Supported EBI variants:

    • Embit Binary Interface for IEEE 802.15.4 protocol: EBI-802154
    • Embit Binary Interface for ZigBee protocol: Contact us

    All the firmware stacks and the documentation is on the CD-ROM included in the Evaluation Kit.

  • Certifications

    EMB-Z2531PA-USB USB dongles are CE and FCC certified.

    For more informations about certification of your final product (regarding both conducted and radiated emissions tests) and compliance with European regulations, you can contact us; indeed pre-compliance assistance is one of Embit services.

  • Documentation
  • USB Driver

    The USB driver is available either from Texas Instruments website or as direct download.
    The USB driver is also installed as part of the Texas Instruments Packet Sniffer software suite.

    Installation is as simple as:

    1. download the driver from Texas Instruments website (search for “USB Firmware Library”) or as direct download;
    2. extract the downloaded ZIP file;
    3. plug the USB dongle to an USB port of your PC;
    4. point the Windows installation dialog (which will pop up automatically) to the folder where the .INF file has been extracted.
  • Ordering Information

    Part number: EMB-Z2531PA-USB

    For quotes, please contact our sales area at .

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