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nRF52 Radio Performance and adaptive regulator control

Why does the nRF52 only have +4dB output when most competitor chips are atleast +6dB (some up to +10dB). I understand that the RX has been improved by 3dB for a better overall link budget, but for beacon applications Tx rules. Is there any plan to release a higher power Tx version?

Looking over the new chip it seems the nRF52 has Adaptive Regulator Control. Does this mean it can smartly switch between internal LDO and external DCDC depending on current consumption?

Thanks,

DC

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