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z3361
z3361
Associate
January 22, 2019
Question

HOW to set the registers and out the maximum power of 1.4W

  • January 22, 2019
  • 1 reply
  • 514 views

ST25R3911B-DISCO Board receiving distance is only 10CM，HOW to set the registers and out the maximum power of 1.4W

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    1 reply

    Ulysses HERNIOSUS
    Ulysses HERNIOSUS
    ST Technical Moderator
    October 1, 2020

    Hi,

    finding this post in the basement....

    ST25R3911B-DISCO is typically operated already at its maximum power. Power is defined by the chip and by the antenna and its matching. Please refer to AN4974.

    Just blasting more power into the antenna does not necessarily increase operating range.

    Regards, Ulysses

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