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CC3220MOD: TX power vs supply voltage

Jim Hall2
Prodigy 40 points
Part Number: CC3220MOD

Hi 

We have designed a WiFi adapter for a sensor product using the CC3220MODSF. 

We are currently using a 3.3 V regulator. We are considering dropping that to 2.8 V. 

Do we loose significant TX power (RF range) if we drop from 3.3 to 2.8? 

Thanks