A:Answer For best performanceBase unit location/avoiding noiseThe base unit and other compatible Panasonicunits use radio waves to communicate witheach other.RFor maximum coverage and noise-freecommunications, place your base unit:– at a convenient, high, and centrallocation with no obstructions betweenthe handset and base unit in an indoorenvironment.– away from electronic appliances such asTVs, radios, personal computers,wireless devices, or other phones.– facing away from radio frequencytransmitters, such as external antennasof mobile phone cell stations. (Avoidputting the base unit on a bay window ornear a window.)RCoverage and voice quality depends on thelocal environmental conditions.