a communications device for communicating by selecting a predetermined antenna from a plurality of antennae has a first and a second switch , each switch comprising one moving contact and two fixed contacts . the moving contact of the first switch is connected to a first antenna , the first fixed contact of the first switch is connected to a transmitter circuit , the second fixed contact of the first switch is connected to the first fixed contact of the second switch , the moving contact of the second switch is connected to a receiver circuit , and the second fixed contact of the second switch is connected to a second antenna . by switching as appropriate between antennae the attenuation of transmission and reception signals caused by the switches can be reduced .