Patent ID: 7941193
Filing Date: 2011-05-10
Classification: H04B,H04M

Abstract:
1. A mobile wireless communications device comprising: a housing; a plurality of circuit boards carried by the housing and including radio frequency (RF) circuitry and a processor carried by at least one of the circuit boards and operative with each other; a receiver speaker and a microphone carried by the housing; audio circuitry carried by at least one of the circuit boards and operative with the RF circuitry and processor and including a microphone audio switch and a receiver speaker audio switch and audio connection lines carried by at least one of the circuit boards and interconnecting the processor and audio switches and operatively connected to said receiver speaker and microphone; and a filter carried by at least one of the circuit boards and operative with the audio connection lines and operatively connected to at least one of the microphone audio switch or receiver speaker audio switch to reduce conducted and radiated interfering RF energy from coupling into the audio circuitry.