title: Transmit power of sender mobile
body: <p>In my application i want to know <strong>the transmit power</strong> of a mobile phone when i received from it data (beacon, file, ..). I need to know the transmit power, to use it in distance calculations using <strong>Received Signal Strength Indicator (RSSI)</strong>.</p>
  
  <p>How i can do that?</p>