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CC2340R5: Why TX Power is set to 14 by default in the '.syscfg' even though the maximum TX power for the chip is 8 dbm?

Abdelrahman Mohamed Salem
Prodigy 80 points
Part Number: CC2340R5
Other Parts Discussed in Thread: SYSCONFIG

Tool/software:

I am trying to develop a ZigBee application on my own. As you can see in the next image, the TX Power of the Zigbee Module is set to 14 dBm in the ".syscfg' file:

According to CC2340R5 Product Page, The maximum power for the TX is 8 dBm, so what does 14 dBm mean? and why it's allowed?

  • +1
    TI__Guru**** 217867 points

    Hi Abdelrahman,

    The max TX power on the CC2340R5 is 8 dBm, the 14 dBm option is a mistake in SysConfig.  Any value of this setting does not affect the generated build files whatsoever.  You can use zb_set_tx_power_async during runtime to change the TX power.  I've already tasked the Zigbee R&D Team to implement functional Zigbee TX Power SysConfig options.

    Regards,
    Ryan