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CC3230SF: Antenna requirement of Wifi MCU

Swapnil
Intellectual 550 points
Part Number: CC3230SF

Hello Community,

We want to use the CC3230fs as a Wifi MCU. Our application requires it to transmit approx. 15m through a maximum of two walls.

Is a PCB antenna sufficient for this or does an external antenna have to be connected? Is there a reference design for the recommended antenna?

Thanks and Regards,

Neil

  • +1
    TI__Mastermind 30780 points

    Hi Neil,

    Thank you for your post. This would likely depend on the structure of the walls and the other side of the system (in this case I assume it might be a home AP?). This may require some experimentation on your end to determine the best option. In general, a 15m range should be very reasonable for a 2.4GHz Wi-Fi connection.  

    A PCB antenna may be able to be used, but you would want to understand the directional characteristics of the antenna and where the peak gain is.

    In terms of specific designs, the main reference we have is the LaunchPad for the device. You could also look at some of the antennas listed in the certification reports for the modules we support based on the device.

    An example PCB antenna that could be considered can be found here: www.ti.com/lit/swru120

    Best,

    Ben M